Displaying publications 41 - 60 of 1701 in total

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  1. Ramanathan S, Karupiah S, Nair NK, Olliaro PL, Navaratnam V, Wernsdorfer WH, et al.
    PMID: 16046285
    A new approach using a simple solid-phase extraction technique has been developed for the determination of pyronaridine (PND), an antimalarial drug, in human plasma. After extraction with C18 solid-phase sorbent, PND was analyzed using a reverse phase chromatographic method with fluorescence detection (at lambda(ex)=267 nm and lambda(em)=443 nm). The mean extraction recovery for PND was 95.2%. The coefficient of variation for intra-assay precision, inter-assay precision and accuracy was less than 10%. The quantification limit with fluorescence detection was 0.010 microg/mL plasma. The method described herein has several advantages over other published methods since it is easy to perform and rapid. It also permits reducing both, solvent use and sample preparation time. The method has been used successfully to assay plasma samples from clinical pharmacokinetic studies.
    Matched MeSH terms: Time Factors
  2. Heo CC, Kurahashi H, Nishida K, Tan Siew H, Mohamed Z, Mohamed AM, et al.
    Trop Biomed, 2008 Dec;25(3):254-6.
    PMID: 19287366
    Fannia prisca Stein, 1918 is newly recorded from peninsular Malaysia. This record is based on 4 male specimens from Mount Berembun, Brinchang, Cameron Highland, Pahang state, peninsular Malaysia. It is previously recorded from China, Mongolia, Korea, Japan, Taiwan, Bonin Island, Thailand and oriental region. The male of Fannia prisca can be differentiated from male Fannia scalaris by the following features: for F. prisca, mid-coxa without spine; mid-tibia normal or without stout triangular ventral projection; and hind tibia usually with 2 av, while F. scalaris has several stout hook-like spines on the anterior margin; mid-tibia with stout triangular ventral projection and hind tibia usually with 3 av. Both F. prisca and F. scalaris can be differentiated from Fannia leucosticta by looking at its hind tibia, which only has 1 av.
    Matched MeSH terms: Time Factors
  3. Tung J, Tew LS, Hsu YM, Khung YL
    Sci Rep, 2017 04 11;7(1):793.
    PMID: 28400564 DOI: 10.1038/s41598-017-00912-3
    Measuring at ~30 nm, a fully customizable holliday junction DNA nanoconstruct, was designed to simultaneously carry three unmodified SiRNA strands for apoptosis gene knockout in cancer cells without any assistance from commercial transfection kits. In brief, a holliday junction structure was intelligently designed to present one arm with a cell targeting aptamer (AS1411) while the remaining three arms to carry different SiRNA strands by means of DNA/RNA duplex for inducing apoptosis in cancer cells. By carrying the three SiRNA strands (AKT, MDM2 and Survivin) into triple negative breast MDA-MB-231 cancer cells, cell number had reduced by up to ~82% within 24 hours solely from one single administration of 32 picomoles. In the immunoblotting studies, up-elevation of phosphorylated p53 was observed for more than 8 hours while the three genes of interest were suppressed by nearly half by the 4-hour mark upon administration. Furthermore, we were able to demonstrate high cell selectivity of the nanoconstruct and did not exhibit usual morphological stress induced from liposomal-based transfection agents. To the best of the authors' knowledge, this system represents the first of its kind in current literature utilizing a short and highly customizable holliday DNA junction to carry SiRNA for apoptosis studies.
    Matched MeSH terms: Time Factors
  4. Nazri A, Agbolade O, Yaakob R, Ghani AA, Cheah YK
    BMC Bioinformatics, 2020 May 24;21(1):208.
    PMID: 32448182 DOI: 10.1186/s12859-020-3497-7
    BACKGROUND: Landmark-based approaches of two- or three-dimensional coordinates are the most widely used in geometric morphometrics (GM). As human face hosts the organs that act as the central interface for identification, more landmarks are needed to characterize biological shape variation. Because the use of few anatomical landmarks may not be sufficient for variability of some biological patterns and form, sliding semi-landmarks are required to quantify complex shape.

    RESULTS: This study investigates the effect of iterations in sliding semi-landmarks and their results on the predictive ability in GM analyses of soft-tissue in 3D human face. Principal Component Analysis (PCA) is used for feature selection and the gender are predicted using Linear Discriminant Analysis (LDA) to test the effect of each relaxation state. The results show that the classification accuracy is affected by the number of iterations but not in progressive pattern. Also, there is stability at 12 relaxation state with highest accuracy of 96.43% and an unchanging decline after the 12 relaxation state.

    CONCLUSIONS: The results indicate that there is a particular number of iteration or cycle where the sliding becomes optimally relaxed. This means the higher the number of iterations is not necessarily the higher the accuracy.

    Matched MeSH terms: Time Factors
  5. Suah FB, Ahmad M, Heng LY
    PMID: 25748985 DOI: 10.1016/j.saa.2015.02.068
    A novel approach for the determination of Al(3+) from aqueous samples was developed using an optode membrane produced by physical inclusion of Al(3+) selective reagent, which is morin into a plasticized poly(vinyl chloride). The inclusion of Triton X-100 was found to be valuable and useful for enhancing the sorption of Al(3+) ions from liquid phase into the membrane phase, thus increasing the intensity of optode's absorption. The optode showed a linear increase in the absorbance at λ(max)=425 nm over the concentration range of 1.85×10(-6)-1.1×10(-4) mol L(-1) (0.05-3 μg mL(-1)) of Al(3+) ions in aqueous solution after 5 min. The limit of detection was determined to be 1.04×10(-6) mol L(-1) (0.028 μg mL(-1)). The optode developed in the present work was easily prepared and found to be stable, has good mechanical strength, sensitive and reusable. In addition, the optode was tested for Al(3+) determination in lake water, river water and pharmaceutical samples, which the result was satisfactory.
    Matched MeSH terms: Time Factors
  6. Burton D, Zeng XX, Chiu CH, Sun J, Sze NL, Chen Y, et al.
    J Community Health, 2010 Dec;35(6):579-85.
    PMID: 20186474 DOI: 10.1007/s10900-010-9244-7
    We sought to develop a smoking-cessation intervention for male Chinese restaurant workers in New York City that required no seeking out by participants; provided support over a relatively long period of time; and was responsive to participants' cultural backgrounds and daily lives. The resulting intervention consisted of a minimum of 9 proactive phone counseling sessions within a 6-month period for each participant recruited at his worksite. All activities were conducted in Chinese languages. The efficacy of this proactive phone-counseling intervention was assessed in a pretest/posttest design comparing baseline smoking with smoking 6 months after the intervention ended. Of 137 male employees recruited at their restaurants, 101 (median age 40.5) participated in the phone-counseling intervention in 2007-2008, with 75 completing the program with at least 9 counseling calls. We found a linear increase in smoking cessation from 0% at Call 1 to 50.7% at Call 9 for 75 men who completed the program, and we found for all 101 participants a 32.7% intent-to-treat cessation rate for 6 months post-end of program, adjusted to 30.8% by saliva cotinine assessments. The results indicate that combining field outreach with phone counseling over an extended period of time can facilitate smoking cessation for population groups whose environments do not support efforts to quit smoking.
    Matched MeSH terms: Time Factors
  7. Misra S, Khor GL, Mitchell P, Haque S, Benton D
    BMC Pediatr, 2015;15:79.
    PMID: 26174581 DOI: 10.1186/s12887-015-0393-9
    BACKGROUND: Sleep is important for children as it directly impacts their mental and physical development. Sleep is not only influenced by the timing but also the macronutrient (carbohydrate and protein) content of meals. Glycaemic index (GI) and glycaemic load (GL) describe the quality of carbohydrates in a food and the burden of these foods on the body's blood glucose response. Diets with a high GI/GL may increase the risk of developing obesity and type 2 diabetes mellitus in adulthood. The present study is piloted to evaluate the short-term impact of milk products with differing glycaemic properties on the sleep patterns of toddlers.
    METHODS: Toddlers were recruited from various day care centres. Informed consent was obtained from both the mothers and the centres. A double-blind randomised controlled trial with a between-subjects design was adopted. The toddlers were randomised to either one of two types of milk with a differing GI ("Low" = 23 and "High = 65") for a period of 3.5 days. There were no other dietary restrictions imposed except that the enrolled child did not consume any other milk during the study period. The sleep patterns were recorded using a Phillips Actiwatch-2, which was worn on the wrist for 24 h over 4 days. The parameters used to measure the sleep pattern were sleep-onset latency (SOL), total sleep time (TST), wake after sleep onset (WASO) and sleep efficiency (SE).
    RESULTS: A total of 56 toddlers completed the study. The toddlers had a mean age of 19.9 +/- 4.3 months. There were no significant differences (p > 0.05) between the two GI groups for SOL, TST, WASO and SE at the end of the feeding period.
    CONCLUSIONS: Sleep patterns of toddlers on low-GI milk did not differ from those with high-GI milk consumed over a short period. Future studies should consider the glycaemic effects of other foods, along with milk with differing GI, consumed for a longer feeding duration.
    TRIAL REGISTRATION: ClinicalTrial.gov NCT01589003.
    Matched MeSH terms: Time Factors
  8. Shekhar KC, Achike FI, Kaur G, Kumar P, Hashim R
    J Altern Complement Med, 2002 Aug;8(4):445-57.
    PMID: 12230905
    A nonrandomized, non-placebo-controlled clinical trial to evaluate the efficacy of Cogent db (an herbal preparation; Cybele Herbal Laboratories [PVT] Ltd. Kochi, Kerala State, India) as an adjuvant in the treatment of patients with type 2 diabetes was carried out during a 3-month period.
    Matched MeSH terms: Time Factors
  9. Ton SH, Lopez CG, Thiruselvam A, Lyou YT
    Med J Malaysia, 1981 Dec;36(4):212-4.
    PMID: 7334955
    A T III values in patients undergoing surgery were found to be lower post-operatively but the fall in value was not significant while women on oral contraceptives were found to have similar AT III values as that of women not on oral contraceptives. The observed values are discussed.
    Matched MeSH terms: Time Factors
  10. Heo CC, Mohamad AM, Ahmad Firdaus MS, Jeffery J, Baharudin O
    Trop Biomed, 2007 Dec;24(2):23-7.
    PMID: 18209704 MyJurnal
    This preliminary study was carried out in a palm oil plantation in Tanjung Sepat, Selangor in 17 May 2007 by using pig (Sus scrofa) as a carcass model in forensic entomological research. A 3 month old pig (8.5 kg) that died of pneumonio was placed in the field to observe the decomposition stages and the fauna succession of forensically important flies. Observation was made for two weeks; two visits per day and all climatological data were recorded. The first visitor to the pig carcass was a muscid fly, seen within a minute, and followed by ants and spiders. Within half an hour, calliphorid flies came over. On the second day (fresh), few calliphorid and sarcophagid flies were found on the carcass. Two different species of moths were trapped in the hanging net. The first larva mass occurred on the third day (bloated) around the mouthpart, with some L1 and L2 found in the eyes. Reduvid bugs and Staphylinidae beetles were recovered on the fourth day (active decay), and new maggot masses occurred in the eyes and anus. L3 larvae could be found beneath the pig carcass on the fourth day. On the fifth day (active decay), new maggot masses were found on neck, thorax, and hind legs. Advance decay occurred on the sixth day with abundant maggots covering all over the body. The main adult fly population was Chrysomya megacephala (day 2 to day 6), but the larvae population was mainly those of Chrysomya rufifacies (day 4 to day 14). The dry stage began on the eighth day. Hermetia illucens adult was caught on day-13, and a larvae mass of Chrysomya rufifacies was seen burrowing under the soil. This forensic entomological research using pig carcass model was the first record in this country.
    Matched MeSH terms: Time Factors
  11. Sim PH, Razack AH, Jalleh RP
    Med J Malaysia, 1995 Dec;50(4):346-52.
    PMID: 8668055
    A retrospective study was carried out on 42 patients (38 males, 4 females, mean age 25.9) with liver injury at the University Hospital, Kuala Lumpur from 1994 through to 1991. Prognostic factors that might help to identify those patient survival was related to pulse rate on arrival ( < or = 120 beats per minute, p = 0.027), systolic blood pressure at induction of anaesthesia ( > or = to 80 mmHg, p = 0.003) and intraoperative blood transfusion of < or = to 4 units (p = 0.05). This data were supported by the 95% confidence interval suggesting that these factors may be strong prognostic indicators individually. Increased mortality was also associated with increased total blood transfused (p = 0.002) and grade of liver injury (p = 0.02). Although the factors we have identified reflect both the severity of injury and resuscitative and surgical efforts, further studies using a prospective design are required to confirm these findings.
    Matched MeSH terms: Time Factors
  12. Ali A, Hussain RM, Dom NC, Md Rashid RI
    Noise Health, 2018 4 21;20(93):53-59.
    PMID: 29676296 DOI: 10.4103/nah.NAH_14_17
    Introduction: Motorcycle riders with noise sensitivity (NS) may suffer from degraded health-related quality of life (HRQOL) because they are exposed to acute noise levels on a daily basis.

    Materials and Methods: This study was aimed to identify the relationship between NS and HRQOL among young motorcycle riders (undergraduate university students) aged between 19 and 25 years (n = 301) through a cross-sectional questionnaire-based study, that is, Weinstein noise sensitivity scale and the World Health Organization Quality of Life. The effects of NS on HRQOL were assessed based on gender, the years of motorcycle driving experience, and noise sensitive among groups using one-way analysis of variances with an alpha value of 0.05.

    Results: The results showed no significant difference in NS between males and females. On the other hand, motorcycle driving experience for <4 years displayed a higher tendency toward NS. Moreover, a significantly (P = 0.004) decreasing trend among low, moderate, and high NS with their respective HRQOL was observed, while a high NS showed significantly (P = 0.015) lower scores on the social domain of the quality of life.

    Conclusion: The overall premise of the study has statistical significance and shows that individuals with high NS tend to have degraded HRQOL compared to individuals with low NS. Furthermore, in-depth studies are required from the other demographical background of participants to investigate the motorcyclist's NS and HRQOL as an integral requirement for the rider's safety and health.

    Matched MeSH terms: Time Factors
  13. Barber BE, William T, Grigg MJ, Menon J, Auburn S, Marfurt J, et al.
    Clin Infect Dis, 2013 Feb;56(3):383-97.
    PMID: 23087389 DOI: 10.1093/cid/cis902
    Plasmodium knowlesi commonly causes severe malaria in Malaysian Borneo, with high case-fatality rates reported. We compared risk, spectrum, and outcome of severe disease from P. knowlesi, Plasmodium falciparum, and Plasmodium vivax and outcomes following introduction of protocols for early referral and intravenous artesunate for all severe malaria.
    Matched MeSH terms: Time Factors
  14. Rashid Ali MR, Parameswaran U, William T, Bird E, Wilkes CS, Lee WK, et al.
    Int J Tuberc Lung Dis, 2015 May;19(5):620-1.
    PMID: 25868033 DOI: 10.5588/ijtld.14.0938
    Matched MeSH terms: Time Factors
  15. Tan KK, Lee WS, Liaw LC, Oh A
    Singapore Med J, 1993 Apr;34(2):109-11.
    PMID: 8266145
    Two hundred and eleven blood transfusions were administered to 26 multi-transfused thalassemic children (aged 9 months-13 years) over a 6-month period. Eighteen children were receiving buffy coat-poor packed red cells (PRC) prepared by centrifuge while 8 children received filtered blood through a leucocyte-filter (Sepacell R-500A). Transfusion reactions occurred in 8.5% (n = 18) of transfusions and in 42.3% (n = 11) of patients. 11.9% (n = 16) and 2.6% (n = 2) of reactions occurred in 50% (n = 9) and 25% (n = 2) of patients receiving buffy coat-poor PRC and filtered blood respectively. Transfusion reactions in toto were significantly reduced in the group receiving filtered blood (p < 0.05). However, febrile reaction alone was not significantly reduced (p > 0.1). The median onset and duration of reaction were 2 hours (range 10 minutes-18 hours) and 4 hours (range 1/2-24 hours) respectively. 72.2% (n = 13) of the reactions occurred occurred during transfusion. 88.8% (n = 16) of the reactions caused only one symptom. 19.2% (n = 5) of all patients had recurrent reactions, all of them receiving buffy coat-poor PRC. The commonest clinical manifestation was fever (n = 7), followed by urticaria (n = 5) and petechial rash (n = 2). The outcome was good, with no patient experiencing symptoms exceeding 24 hours. Only 0.9% (n = 2) of the transfusions were discontinued.
    Matched MeSH terms: Time Factors
  16. Kong CH, Ibrahim MF, Zainuddin ZM
    Ann Saudi Med, 2009;29(6):429-32.
    PMID: 19847078 DOI: 10.4103/0256-4947.57163
    BACKGROUND AND OBJECTIVE: For treatment of benign prostatic hyperplasia (BPH), Plasma Kinetic loop Resection of the Prostate (PKRP) is an alternative to conventional monopolar transurethral resection of prostate (TURP). We compared outcomes with the two treatments in a randomized trial.

    PATIENTS AND METHODS: Over a one-year period, we randomly assigned patients with an indication for surgery for BPH and who met inclusion criteria to treatment with either PKRP or TURP. We measured prostate volume by transrectal ultrasound, relief of bladder outlet obstruction, operative time, decline in serum sodium and hemoglobin, weight of resected prostatic chips, duration of catheterization and hospital stay. Patients were evaluated one month after discharge for obstructive symptoms. Complications were also recorded.

    RESULTS: Of 102 patients enrolled, 51 underwent PKRP and 51 underwent TURP. Relief of obstructive symptoms and mean operative time showed no statistically significant difference. The PKRP group had a smaller decline in hemoglobin than the TURP group (0.6 g/dL vs 1.8 g/dL, P=.01), a lower reduction in serum sodium levels (1.03 mmol/L vs 5.01 mmol/L, P=.01), a shorter catheterization time (37.2 hours versus 57.7 hours, P=.03) and a shorter hospital stay (1.5 days versus 2.6 days, P=.02). One patient in the bipolar PKRP group needed recatheterization versus four patients in the TURP group.

    CONCLUSION: PKRP reduces morbidity with an outcome similar to conventional monopolar TURP in the treatment of BPH.

    Matched MeSH terms: Time Factors
  17. Boo NY, Chew EL
    Singapore Med J, 2006 Sep;47(9):757-62.
    PMID: 16924356
    This study aimed to compare the core, abdominal wall, and plantar temperatures of well jaundiced term infants undergoing phototherapy with or without clingfilm covering the lower two-thirds of the upper end of their bassinets.
    Matched MeSH terms: Time Factors
  18. Bukhsh A, Nawaz MS, Ahmed HS, Khan TM
    Medicine (Baltimore), 2018 Mar;97(12):e9847.
    PMID: 29561461 DOI: 10.1097/MD.0000000000009847
    BACKGROUND: Diabetes self-care activities, like, healthy diet, regular exercise, self-monitoring of blood glucose, and rational use of medicines are considered to play a vital role in establishing euglycemia. Health literacy among type 2 diabetes mellitus (T2DM) patients in Pakistan is very low, which is the most likely cause for poor clinical outcomes. This study is designed to investigate the impact of pharmacist-led educational intervention on glycemic control, self-care activities and disease knowledge among T2DM patients in Pakistan.

    METHODS: In this randomized controlled trail, effectiveness of a 6-month pharmacist-led educational intervention will be examined on glycemic control, diabetes self-care activities and disease knowledge of 80 adult T2DM patients (age >30 years) with poorly controlled T2DM (HbA1c> 7%), after randomizing them into intervention and control groups, at diabetes care clinic of Capital Hospital Islamabad, Pakistan.

    RESULTS: The primary outcome is change in patients' HbA1c, whereas, changes in self-care activities and patients' disease knowledge are the secondary outcomes. After baseline assessment of their self-care activities and disease knowledge by using validated Urdu versions of Diabetes Self-management Questionnaire (DSMQ) and Diabetes Knowledge Questionnaire (DKQ), respectively, interventional group patients will be supplemented with a face-to-face pharmacist-led educational intervention, whereas, the control group will receive usual care. Intervention arm patients will be educated successively at their first follow-up visit (12th week) and telephonically after every 4 weeks. All assessments will be made at baseline and end of trail for both intervention and control groups. Multivariate general linear model will be applied to analyze the effects of the intervention.

    CONCLUSION: Glycemic control in T2DM patients requires optimum self-care activities. This study is an attempt to improve self-care behaviors among poorly controlled T2DM patients who are at higher risk of diabetes-associated late complications.
    Matched MeSH terms: Time Factors
  19. Goh SW, Jamil A, Safian N, Md Nor N, Muhammad N, Saharudin NL
    An Bras Dermatol, 2020 03 21;95(3):320-325.
    PMID: 32291095 DOI: 10.1016/j.abd.2019.11.007
    BACKGROUND: Higher skin pH in atopic dermatitis contributes to impaired epidermal barrier. A moisturizer compatible with physiological pH could improve atopic dermatitis.

    OBJECTIVE: To determine the effect of a physiologically compatible pH moisturizer in atopic dermatitis.

    METHODS: A randomized half body, double blind, controlled trial involving patients with stable atopic dermatitis was performed. pH-modified moisturizer and standard moisturizer were applied to half body for 6 weeks.

    RESULTS: A total of 6 (16.7%) males and 30 (83.3%) females participated. Skin pH reductions from week 0, week 2 and 6 were significant at the forearms (5.315 [0.98] to 4.85 [0.54] to 5.04 [0.78], p=0.02) and abdomen (5.25 [1.01], 4.82 [0.64], 5.01 [0.59], p=0.00) but not at the shins (5.01 [0.80], 4.76 [0.49], 4.85 [0.79], p=0.09) with pH-modified moisturizer. Transepidermal water loss (TEWL) at the forearms decreased (4.60 [2.55] to 3.70 [3.10] to 3.00 [3.55], p=0.00), abdomen (3.90 [2.90] to 2.40 [3.45] to 2.70 [2.25], p=0.046). SCORAD improved from 14.1±12.75 to 10.5±13.25 to 7±12.25, p=0.00. In standard moisturizer group, pH reductions were significant at the forearms (5.29 [0.94] to 4.84 [0.55] to 5.02 [0.70], p=0.00) and abdomen (5.25 [1.09], 4.91 [0.63], 5.12 [0.66], p=0.00). TEWL at the forearm were (4.80 [2.95], 4.10 [2.15], 4.60 [3.40], p=0.67), shins (3.80 [1.40], 3.50 [2.35], 4.00 [2.50], p=0.91) and abdomen (3.70 [2.45], 4.10 [3.60], 3.40 [2.95], p=0.80). SCORAD improved from 14.2±9.1 to 10.9±10.65 to 10.5±11, p=0.00. Reduction in pH was observed with both moisturizers while TEWL significantly improved with pH-modified moisturizer. pH-modified moisturizer resulted in greater pH, TEWL and SCORAD improvements however the differences were not significant from standard moisturizer.

    STUDY LIMITATION: Skin hydration was not evaluated.

    CONCLUSION: Moisturization is beneficial for atopic dermatitis; use of physiologically compatible pH moisturizer is promising.

    Matched MeSH terms: Time Factors
  20. Crameri G, Wang LF, Morrissy C, White J, Eaton BT
    J Virol Methods, 2002 Jan;99(1-2):41-51.
    PMID: 11684302
    Rapid immune plaque assays have been developed to quantify biohazard level 4 agents Hendra and Nipah viruses and detect neutralising antibodies to both viruses. The methods rely on the fact that both viruses rapidly generate large syncytia in monolayers of Vero cells within 24 h and that monospecific antiserum to the Hendra virus phosphoprotein (P) detects that protein in both Hendra and Nipah virus-induced syncytia after methanol fixation of virus-infected cells. The P protein is a constituent of the ribonucleoprotein core of the viruses and a component of the viral RNA-dependent RNA polymerase and is made in significant amounts in infected cells. In the immune plaque assay, anti-P antibody is localised by an alkaline phosphatase-linked second antibody and the Western blot substrates 5-bromo-4-chloro-3-indolyl phosphate and p-nitro blue tetrazolium. A modification of the rapid immune plaque assay was also used to detect antibodies to Nipah virus in a panel of porcine field sera from Malaysia and the results showed good agreement between the immune plaque assay and a traditional serum neutralisation test. After methanol fixation, plates can be stored for up to 7 months and may be used in the immune plaque assay to complement the enzyme-linked immunosorbent assay screening of sera for antibodies to Nipah virus. At present, all enzyme-linked immunosorbent assay positive sera are subject to confirmatory serum neutralisation tests. Use of the immune plaque assay may reduce the number of sera requiring confirmatory neutralisation testing for Nipah virus antibodies under biohazard level 4 conditions by identifying those that generate false positive in the enzyme-linked immunosorbent assay.
    Matched MeSH terms: Time Factors
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