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Fulltext Ranking negative emissions technologies under uncertainty

Ng WY, Low CX, Putra ZA, Aviso KB, Promentilla MAB, Tan RR

Heliyon, 2020 Dec;6(12):e05730.
PMID: 33364497 DOI: 10.1016/j.heliyon.2020.e05730

Existing mitigation strategies to reduce greenhouse gas (GHG) emissions are inadequate to reach the target emission reductions set in the Paris Agreement. Hence, the deployment of negative emission technologies (NETs) is imperative. Given that there are multiple available NETs that need to be evaluated based on multiple criteria, there is a need for a systematic method for ranking and prioritizing them. Furthermore, the uncertainty in estimating the techno-economic performance levels of NETs is a major challenge. In this work, an integrated model of fuzzy analytical hierarchy process (AHP) and interval-extended Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) is proposed to address the multiple criteria, together with data uncertainties. The potential of NETs is assessed through the application of this hybrid decision model. Sensitivity analysis is also conducted to evaluate the robustness of the ranking generated. The result shows Bioenergy with Carbon Capture and Storage (BECCS) as the most optimal alternative for achieving negative emission goals since it performed robustly in the different criteria considered. Meanwhile, energy requirement emerged as the most preferred or critical criterion in the deployment of NETs based on the decision-maker. This paper renders a new research perspective for evaluating the viability of NETs and extends the domains of the fuzzy AHP and interval-extended TOPSIS hybrid model.

Matched MeSH terms: Research Design
Fulltext IMPACT OF MANAGEMENT POLICY ON DIRECT DRIVERS OF DEFORESTRATION IN MALAYSIA

MOE SHWE SIN, SHANGKARI A/P WASU DAVEN

UMT Journal of Undergraduate Research, 2020;2(2):67-82.
MyJurnal

Deforestation is one of the incredible difficulties confronting mankind. The extraction of woods remains one of the main drivers of deforestation in Malaysia. Relatively, rising in timber values may lead to enlarge in the net advantages of clearing land. Thus, this study is written to assess the process and underlying causes of forest cover change in Malaysia from 1997 to 2016. After assessed the discusses it on the impact of direct drivers with different management scenarios on deforestation in Malaysia. The research design, data, and method also performed by using System Simulation Model. Model validation and sensitivity tests was carried out after the simulation model is implemented to check the correctness in line with the real system. The simulation analysis was carried out with three different simulation periods together with the impact of two main policies: (1) controlling threshold profit; (2) discounted rate. The result of the study indicates that the most suitable policy combination to manage the deforestation is scenario 2 (policy 2B) with the RM650 per/ha threshold profit coupled with interest rate r=4% within 50years period.

Matched MeSH terms: Research Design
Minimum ignition energies and laminar burning velocities of ammonia, HFO-1234yf, HFC-32 and their mixtures with carbon dioxide, HFC-125 and HFC-134a

Sadaghiani MS, Arami-Niya A, Zhang D, Tsuji T, Tanaka Y, Seiki Y, et al.

J Hazard Mater, 2021 04 05;407:124781.
PMID: 33412363 DOI: 10.1016/j.jhazmat.2020.124781

Given the safety issues associated with flammability characteristics of alternative environmentally-friendly refrigerants, it is vital to establish measurement systems to accurately analyse the flammability of these mildly flammable refrigerants. In this study, we used a customised Hartmann bomb analogue to measure the minimum ignition energy (MIE) and laminar burning velocity (BV) for refrigerant/air mixtures of pure ammonia (R717), R32, R1234yf and mixtures of R32 and R1234yf with non-flammable refrigerants of R134a, R125 and carbon dioxide (R744). The MIEs of R717, R32, and R1234yf were measured at an ambient temperature of 24 °C to be (18.0 ± 1.4), (8.0 ± 1.5) and (510 ± 130) mJ at equivalence ratios of 0.9, 1.27 and 1.33, respectively. Adding the non-flammable refrigerants R134a, R125 and R744 along with R32 at volumetric concentrations of 5% each to R1234yf reduced the latter compound's flammability and increased its MIE by one order of magnitude. The laminar burning velocities of pure R717 and R32 were measured at an equivalence ratio of 1.1 using the flat flame method and found to be 8.4 and 7.4 cm/s, respectively. Adding 5% R1234yf to R32 decreased the laminar burning velocity by 11%, while a further 5% addition of R1234yf resulted in a decrease of over 30% in the laminar burning velocity.

Matched MeSH terms: Research Design
PRILE 2021 guidelines for reporting laboratory studies in Endodontology: A consensus-based development

Nagendrababu V, Murray PE, Ordinola-Zapata R, Peters OA, Rôças IN, Siqueira JF, et al.

Int Endod J, 2021 Sep;54(9):1482-1490.
PMID: 33938010 DOI: 10.1111/iej.13542

Reproducible, skilfully conducted and unbiased laboratory studies provide new knowledge, which can inform clinical research and eventually translate into better patient care. To help researchers improve the quality and reproducibility of their research prior to a publication peer-review, this paper describes the process that was followed during the development of the Preferred Reporting Items for Laboratory studies in Endodontology (PRILE) 2021 guidelines and which used a well-documented consensus-based methodology. A steering committee was created with eight individuals (PM, RO, OP, IR, JS, EP, JJ and SP), plus the project leaders (PD, VN). The steering committee prepared an initial checklist by combining and adapting items from the modified Consolidated Statement of Reporting Trials checklist for reporting in vitro studies of dental materials and the Clinical and Laboratory Images in Publications principles as well as adding several new items. The steering committee then formed a PRILE Delphi Group (PDG) and PRILE Online Meeting Group (POMG) to provide expert advice and feedback on the initial draft checklist and flowchart. The members of the PDG participated in an online Delphi process to achieve consensus on the items within the PRILE 2021 checklist and the accompanying flowchart for clarity and suitability. The PRILE checklist and flowchart developed by the online Delphi process were discussed further by the POMG. This online meeting was conducted on 12 February 2021 via the Zoom platform. Following this meeting, the steering committee developed a final version of the PRILE 2021 guidelines and flowchart, which was piloted by several authors when writing up a laboratory study for publication. Authors are encouraged to use the PRILE 2021 guidelines and flowchart to improve the clarity, completeness and quality of reports describing laboratory studies in Endodontology. The PRILE 2021 checklist and flowchart are freely available and downloadable from the Preferred Reporting Items for study Designs in Endodontology website (http://pride-endodonticguidelines.org/prile/).

Matched MeSH terms: Research Design
Fulltext Reporting stAndards for research in PedIatric Dentistry (RAPID): an expert consensus-based statement

Jayaraman J, Dhar V, Donly KJ, Priya E, Raggio DP, Childers NK, et al.

BMC Oral Health, 2021 07 23;21(1):369.
PMID: 34301229 DOI: 10.1186/s12903-021-01698-7

BACKGROUND: Reporting guidelines for different study designs are currently available to report studies with accuracy and transparency. There is a need to develop supplementary guideline items that are specific to areas within Pediatric Dentistry. This study aims to develop Reporting stAndards for research in PedIatric Dentistry (RAPID) guidelines using a pre-defined expert consensus-based Delphi process.
METHODS: The development of the RAPID guidelines was based on the Guidance for Developers of Health Research Reporting Guidelines. Following a comprehensive search of the literature, the Executive Group identified ten themes in Pediatric Dentistry and compiled a draft checklist of items under each theme. The themes were categorized as: General, Oral Medicine, Pathology and Radiology, Children with Special Health Care Needs, Sedation and Hospital Dentistry, Behavior Guidance, Dental Caries, Preventive and Restorative Dentistry, Pulp Therapy, Traumatology, and Interceptive Orthodontics. A RAPID Delphi Group (RDG) was formed comprising of 69 members from 15 countries across six continents. Items were scored using a 9-point rating Likert scale. Items achieving a score of seven and above, marked by at least 70% of RDG members were accepted into the RAPID checklist items. Weighted mean scores were calculated for each item. Statistical significance was set at p researchers, authors, reviewers and editors, to ensure that all elements relevant to particular studies are adequately reported.

Matched MeSH terms: Research Design
Sparse PLS-Based Method for Overlapping Metabolite Set Enrichment Analysis

Deng L, Ma L, Cheng KK, Xu X, Raftery D, Dong J

J Proteome Res, 2021 06 04;20(6):3204-3213.
PMID: 34002606 DOI: 10.1021/acs.jproteome.1c00064

Metabolite set enrichment analysis (MSEA) has gained increasing research interest for identification of perturbed metabolic pathways in metabolomics. The method incorporates predefined metabolic pathways information in the analysis where metabolite sets are typically assumed to be mutually exclusive to each other. However, metabolic pathways are known to contain common metabolites and intermediates. This situation, along with limitations in metabolite detection or coverage leads to overlapping, incomplete metabolite sets in pathway analysis. For overlapping metabolite sets, MSEA tends to result in high false positives due to improper weights allocated to the overlapping metabolites. Here, we proposed an extended partial least squares (PLS) model with a new sparse scheme for overlapping metabolite set enrichment analysis, named overlapping group PLS (ogPLS) analysis. The weight vector of the ogPLS model was decomposed into pathway-specific subvectors, and then a group lasso penalty was imposed on these subvectors to achieve a proper weight allocation for the overlapping metabolites. Two strategies were adopted in the proposed ogPLS model to identify the perturbed metabolic pathways. The first strategy involves debiasing regularization, which was used to reduce inequalities amongst the predefined metabolic pathways. The second strategy is stable selection, which was used to rank pathways while avoiding the nuisance problems of model parameter optimization. Both simulated and real-world metabolomic datasets were used to evaluate the proposed method and compare with two other MSEA methods including Global-test and the multiblock PLS (MB-PLS)-based pathway importance in projection (PIP) methods. Using a simulated dataset with known perturbed pathways, the average true discovery rate for the ogPLS method was found to be higher than the Global-test and the MB-PLS-based PIP methods. Analysis with a real-world metabolomics dataset also indicated that the developed method was less prone to select pathways with highly overlapped detected metabolite sets. Compared with the two other methods, the proposed method features higher accuracy, lower false-positive rate, and is more robust when applied to overlapping metabolite set analysis. The developed ogPLS method may serve as an alternative MSEA method to facilitate biological interpretation of metabolomics data for overlapping metabolite sets.

Matched MeSH terms: Research Design
Fulltext To explore customer consciousness towards brand loyalty between Malaysian and international students

Sheak, Md Shabuddin

Trends in Undergraduate Research, 2020;3(1):29-35.
MyJurnal

In the age of modern competitive market force, where traditional marketing system is not enough to capture the loyalty from customers, and the increasing consciousness toward the brand making the marketer more concern to survive and the competition are becoming more difficult. So, customers are more conscious about their choice and giving more priority on the right product with right features, conditions, images and quality at the right price. The aim of this study is to explore customer consciousness toward brand loyalty between Malaysian and International Students. Quantitative research method is being used to evaluate the outcome of the research where total survey respondents were 197 (140 Malaysian and 57 International students) and the scope of the research is limited to the respondent of University Malaysia Sarawak, Kota Samarahan. The result of regression linear and Pearson Correlation showed that except price-consciousness, brand-consciousness, quality-consciousness and social-consciousness have positive significant relationship toward brand loyalty.

Matched MeSH terms: Research Design
Bimodal neuromodulation combining sound and tongue stimulation reduces tinnitus symptoms in a large randomized clinical study

Conlon B, Langguth B, Hamilton C, Hughes S, Meade E, Connor CO, et al.

Sci Transl Med, 2020 10 07;12(564).
PMID: 33028707 DOI: 10.1126/scitranslmed.abb2830

Tinnitus is a phantom auditory perception coded in the brain that can be bothersome or debilitating, affecting 10 to 15% of the population. Currently, there is no clinically recommended drug or device treatment for this major health condition. Animal research has revealed that sound paired with electrical somatosensory stimulation can drive extensive plasticity within the brain for tinnitus treatment. To investigate this bimodal neuromodulation approach in humans, we evaluated a noninvasive device that delivers sound to the ears and electrical stimulation to the tongue in a randomized, double-blinded, exploratory study that enrolled 326 adults with chronic subjective tinnitus. Participants were randomized into three parallel arms with different stimulation settings. Clinical outcomes were evaluated over a 12-week treatment period and a 12-month posttreatment phase. For the primary endpoints, participants achieved a statistically significant reduction in tinnitus symptom severity at the end of treatment based on two commonly used outcome measures, Tinnitus Handicap Inventory (Cohen's d effect size: -0.87 to -0.92 across arms; P < 0.001) and Tinnitus Functional Index (-0.77 to -0.87; P < 0.001). Therapeutic improvements continued for 12 months after treatment for specific bimodal stimulation settings, which had not previously been demonstrated in a large cohort for a tinnitus intervention. The treatment also achieved high compliance and satisfaction rates with no treatment-related serious adverse events. These positive therapeutic and long-term results motivate further clinical trials toward establishing bimodal neuromodulation as a clinically recommended device treatment for tinnitus.

Matched MeSH terms: Research Design
Do reduced visual acuity and refractive error affect classroom performance?

Hopkins S, Narayanasamy S, Vincent SJ, Sampson GP, Wood JM

Clin Exp Optom, 2020 05;103(3):278-289.
PMID: 31441091 DOI: 10.1111/cxo.12953

The role of visual acuity and refractive errors in the academic performance of children is controversial due to the variable quality of the research in this area and the mixed findings reported. This review aims to provide clarity by reviewing and critiquing relevant peer-reviewed publications and also summarises what is known regarding the visual demands of modern classroom environments. The outcomes of this review suggest that while a number of studies have investigated the role of vision in relation to children's academic performances, the veracity of the evidence obtained from the majority of these studies is undermined by methodological limitations. Comparisons between studies are constrained by differences in experimental designs, instrumentation and sample characteristics. Despite these limitations, the weight of evidence suggests there is an association between academic performance and both visual acuity and refractive error in children. However, well-designed experimental studies are necessary to further understand the relationship between these parameters.

Matched MeSH terms: Research Design
Fulltext Impact of medical student well-being workshop on the medical students’ stress level: a preliminary study

Ahmad Fuad Abdul Rahim, Muhamad Saiful Bahri Yusoff

ASEAN Journal of Psychiatry, 2010;11(1):56-63.
MyJurnal

Objective: Medical training has always been regarded as a highly stressful environment to students. This article described a preliminary data on impact of a stress-management programme on medical students’ stress level. Methods: This is a quasi-experimental before after comparison study design. The programme was run over half-day and convenient sampling method was applied. Sample size as calculated for this preliminary study was 38. The 12 items General Health Questionnaire (GHQ-12) was administered prior to the
programme and four months later. Data was analysed using SPSS version 12. Results: 34 participants were involved in this study. This study found that there was a significant difference in participants’ GHQ-12 scores before and after the programme (p

Matched MeSH terms: Research Design
Fulltext Optimization studies on microwave assisted extraction of dragon fruit (Hylocereus polyrhizus) peel pectin using response surface methodology

Rahmati, S., Abdullah, A., Momeny, E., Kang, O.L.

International Food Research Journal, 2015;22(1):233-239.
MyJurnal

Optimization of microwave assisted extraction of dragon fruit peel pectin was conducted using respond surface methodology. Effect of extraction conditions, i.e. pH value (X1), extraction time (X2) and solid-liquid ratio (X3) on the extraction yield was investigated using a central composite experimental design. Optimization of microwave assisted extraction was performed and three-dimensional (3D) response surface plots were derived from the mathematical models. Analysis of variance (ANOVA) was conducted and indicated a significant interaction between extraction conditions (pH value and extraction time) and extraction yield. The optimum conditions of microwave assisted extraction were as follows: X1 = 2.07; X2 = 65 s and X3 = 66.57. The verification test on pectin extraction was performed and revealed a perfect agreement between experimental and predicted values. The maximum predicted yield of pectin extraction was 18.53%. Overall, application of microwave assisted extraction can give rise to high quality dragon fruit peel pectin.

Matched MeSH terms: Research Design
Fulltext Effects of tillage methods and sowing rates on the grain yields and yield components of rain fed wheat

Shamsabadi, H.T., Biabani, A., Desa Ahmad

Pertanika Journal of Science & Technology, 2009;17(2):-.
MyJurnal

A field study was conducted on the effect of four primary tillage implements and three seed densities on the grain yield of rain fed wheat (Tajan cultivar), using a drill planting machine with the end wheels. The experimental design was a split plot design in a 4×3 factorial with three replications. In this study, the main plots were the tillage treatments, namely Mouldboard plough, Disc Plough, Chisel Plough, Offset Disc, and sub-plots were seed rates of 350, 400 and 450 seeds.m-2. Determinations included grain yield and selected yield components. The results showed that grain yield was not affected by the densities of seed and tillage machine treatments. The use of Chisel Plough, with 400 seeds.m-2 sowing rate, had the highest grain yield of wheat grown in the Golestan province (Iran), a region with an average annual rainfall of 450 mm.

Matched MeSH terms: Research Design
Fulltext Application of statistical experimental designs for optimization of medium composition in biodegradation of procion red MX-8B

Khadijah, O., Lee, K.K., Abdullah, M.F.F.

ASM Science Journal, 2010;4(2):103-112.
MyJurnal

Two sequential statistical experimental designs were used to screen and investigate the dependence of the amount of biodegradation of Procion Red MX-8B (PR-MX8B) on the fermentation variables. Fourteen factors were screened using the Plackett-Burman design. Among these factors, the most significant variables which included yeast extract, corn steep solids and starch influencing PR-MX8B decolourisation were statistically elucidated for optimization. The optimum concentrations of 5.00 g/l yeast extract, 2.99 g/l starch and 1.89 g/l corn steep solids were predicted by applying the Box-Behnken design to the second order polynomial model fitted to the results obtained. The best predicted optimal conditions verified experimentally yielded 72.11% while the predicted value from the polynomial model was 79.17%. The experimental values were in good agreement with the predicted values with a 90.81% degree of accuracy.

Matched MeSH terms: Research Design
From compliance to adherence and concordance, what quantitative and qualitative studies have synthesized?

Lee, K., Chin, Y.S., Loong, Y.Y., Hejar, A.R.

Journal of Health Management, 2008;4(1):36-60.
MyJurnal

The purpose of the present study is to provide a critical review on the revolution of the "compliance" concepts from compliance to adherence, and adherence to concordance for both pharmacological and non-pharmacological therapies. A comprehensive literature search was performed using online databases from Library of University Putra Malaysia, and Pub Med based on the keywords. The present study showed that both quantitative and qualitative studies cannot be neglected in assessing adherence and its related problems. One of major findings from the present review is that "compliance" was no longer suitable for current treatments and it is important to define concepts of the terms used (adherence or concordance) correctly and clearly. The findings reflected that researchers placed greater value on medication adherence than non-pharmacological adherence. There were three general factors related to treatments adherence, namely socio-economic factor, treatments-related factor and disease-related factor. The findings showed that both qualitative and quantitative studies found consistent results for most of the factors, except for the experience of diseases symptoms. Both study design contribute important values to the adherence studies and future studies should incorporate both quantitative and qualitative studies to understand adherence in both pharmacological and non-pharmacological treatments.

Matched MeSH terms: Research Design
Fulltext Sepsis mortality score using multi-marker approach for the prediction of mortality in septic critically ill patients

Wan Fadzlina Wan Muhd Shukeri, Azrina Md. Ralib, Mohd Basri Mat-Nor

International Medical Journal Malaysia, 2017;16(11):36-36.
MyJurnal

Clinical scoring methods such as the Sequential Organ Failure Assessment
(SOFA) score are frequently used to predict outcome in sepsis, with limited capacity.
Further tools for risk assessment of septic critically ill patients would thus be useful.
Our purpose was to derive a scoring method i.e. Sepsis Mortality Score using multimarker
approach for the prediction of 30-day mortality in septic critically ill patients,
and compare its performance to the SOFA score (Copied from article).

Matched MeSH terms: Research Design
Fulltext Conflicting perceptions on participation between citizens and members of local government

Mohammadi SH, Norazizan S, Nikkhah HA

Qual Quant, 2018;52(4):1761-1778.
PMID: 29937584 DOI: 10.1007/s11135-017-0565-9

There is a growing consensus among citizens and members of local government that citizen participation is desirable for local government. However in practice, there are differing perceptions between them regarding the level and extent of citizen participation. As citizen participation is a multi faceted concept, its meaning is construed differently by both the members of local government and the citizen groups. This paper attempts to describe the conflicts that arise from participation. The paper is based on the study of the process of citizen participation in local government carried out in Torbat-Heydarieh city, Iran. A qualitative research method is seen as the most suitable approach of collecting and analyzing the data. The method employed for data collection in this research is in-depth interviews. In-depth interviews were conducted to gauge the existence of conflicts regarding participation. The findings reveal four areas that give rise to conflicts. This study also attempts to highlight two different views regarding citizen participation; the people-centered view and authority-centered view.

Matched MeSH terms: Research Design
Fulltext The effectiveness of Realistic Mathematics Education approach: The role of mathematical representation as mediator between mathematical belief and problem solving

Yuanita P, Zulnaidi H, Zakaria E

PLoS One, 2018;13(9):e0204847.
PMID: 30261056 DOI: 10.1371/journal.pone.0204847

This study aims to identify the role of mathematical representation as a mediator between mathematical belief and problem solving. A quasi-experimental design was developed that included 426 Form 1 secondary school students. Respondents comprised 209 and 217 students in the treatment and control groups, respectively. SPSS 23.0, ANATES 4 and Amos 18 were used for data analysis. Findings indicated that mathematical representation plays a significant role as mediator between mathematical belief and arithmetic problem solving. The Realistic Mathematics Education (RME) approach successfully increased the arithmetic problem-solving ability of students.

Matched MeSH terms: Research Design
Fulltext External factor of relapse among male drug addicts in Cure and Care Service Centre, Kuala Pilah

Muhd Dhamir Audi Azizul, Azlina Mohd Khir, Wan Munira Wan Jaafar

Malaysian Journal of Social Sciences and Humanities, 2018;3(2):159-168.
MyJurnal

Relapse is a common phenomenon among former addicts who has undergone a preventive and rehabilitation treatment program. Relaps is a condition of using drugs more than one times after stopping them for a certain period of time depending on one's resistance to a drug withdrawal syndrome. There are various factors that affect the former drug addicts became relaps. Hence, the focus of this study is to explain the external factors of relaps among adult male drug addicts in Cure and Care Service Centre, Kuala Pilah, Negeri Sembilan. This study is a qualitative research that has been using a phenomenology approach using face-to-face interviews and further observation among eight drug addicts who are undergoing rehabilitation programs at CCSC Kuala Pilah. Sample selection was done through purposive sampling techniques and data were analyzed using thematic analysis through an inductive approach that focused on coding to obtain some key themes. The result of the study indicates the external factors such as family, peer and environmental factors play a great role in influencing of relapse. In conclusion, these identified factors illustrate the external influences that cause drug addicts to relapse. Therefore, the researcher proposes a post-rehabilitation module or program done by the responsible agencies after the addicts completed the rehabilitation program as guidance for them to the right direction for efficient recovery.

Matched MeSH terms: Research Design
A bibliometric analysis of the top 50 most cited articles published in the Dental Traumatology

Ahmad P, Vincent Abbott P, Khursheed Alam M, Ahmed Asif J

Dent Traumatol, 2020 Apr;36(2):89-99.
PMID: 31800153 DOI: 10.1111/edt.12534

BACKGROUND/AIMS: The impact of a scientific article in its respective field is reflected by its citation count. The purpose of this review was to conduct a citation analysis in order to identify and analyze the top 50 most cited articles published in Dental Traumatology since its inception in order to highlight the contribution of the journal to the field of Dental Traumatology.
METHODS: Elsevier's Scopus was used to search and analyze the 50 most frequently cited scientific papers. After the screening process, two reviewers arranged the articles in a descending order based on their citation counts. Each article was then cross-matched with Google Scholar. The articles were analyzed, and information including citation counts, citation density, publication year, authorship, contributing institutions and countries, article topic, study design, and keywords was extracted.
RESULTS: The literature search identified 2421 articles. The citation counts of the 50 selected articles varied from 117 to 580 (Scopus) and 206 to 1130 (Google Scholar). The year in which most top 50 articles were published was 2002 (n = 5). Among 105 authors, the greatest contribution was made by JO Andreasen (n = 12). Most of the articles originated from the United States (n = 12) with the greatest contributions from the University Hospital (Rigshospitalet), Copenhagen, Denmark (n = 6). Original research article was the most frequent study design (n = 34). The majority of the top 50 articles were focused on traumatic dental injuries. Among 131 unique key words, root resorption (n = 6) was the most frequently used. A non-significant correlation occurred between citation count (correlation coefficient = 0.127, P = .378), citation density (correlation coefficient = 0.654, P = 2.493), and publication age.
CONCLUSIONS: This study identified the top 50 most cited articles published in this journal in the specialty of Dental Traumatology. The publication year of an article was not significantly associated with citation count nor citation density.

Matched MeSH terms: Research Design
PRICE 2020 guidelines for reporting case reports in Endodontics: explanation and elaboration

Nagendrababu V, Chong BS, McCabe P, Shah PK, Priya E, Jayaraman J, et al.

Int Endod J, 2020 Jul;53(7):922-947.
PMID: 32221975 DOI: 10.1111/iej.13300

Case reports play a key role in showcasing new, unusual or rare disease(s), and the impact of newer therapeutic approaches or interventions. The Preferred Reporting Items for Case reports in Endodontics (PRICE) 2020 guidelines are being introduced exclusively for Endodontics by adapting and integrating the CAse REport (CARE) guidelines and Clinical and Laboratory Images in Publications principles. The PRICE 2020 guidelines have been developed to help authors improve the completeness, accuracy and transparency of case reports in Endodontics and thus enhance the standard of manuscripts submitted for publication. The aim of this document is to provide a comprehensive explanation for each item in the PRICE 2020 checklist along with examples from the literature that demonstrate compliance with these guidelines. This information will highlight the importance of each item and provide practical examples to help authors understand the necessity of providing comprehensive information when preparing case reports. A link to this PRICE 2020 explanation and elaboration document is available on the Preferred Reporting Items for study Designs in Endodontology website at http://www.pride-endodonticguidelines.org.

Matched MeSH terms: Research Design

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