Displaying publications 5821 - 5840 of 24633 in total

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  1. Usman BI, Amin SM, Arshad A, Kamarudin MS
    J Environ Biol, 2016 Jul;37(4):573-8.
    PMID: 27498503
    Samples of grey eel catfish Plotosus canius were collected from the coastal waters of Port Dickson, Malaysia from January to December, 2012. A total of 341 specimens (172 males and 169 females) were used to estimate the length-weight relationship parameters. Mean population size of females were 0.72 cm taller than the males, however difference was not significant (t-test, P > 0.05). The overall relationship equations between total length (TL) and body weight (BW) were established for males as Log TW = 2.71 Log TL - 1.85 (R2 = 0.95) and for females as Log TW = 2.88 Log TL-2.10 (R2 = 0.95). The estimated relative growth co-efficient (b) values were 2.71 for males and 2.88 for females. It is revealed that growth pattern of the species showed negative allometry. In both males and females, relationship between TL and SL gave highest regression coefficient (0.99). While relationship between TL and EL gave lowest regression coefficient in both males and females (0.87 and 0.81 respectively). The findings from this study contributed first information on morphometric relations of the fish from Malaysian coastal waters and could be useful for sustainable management options of P. canius in Malaysia.
    Matched MeSH terms: Malaysia
  2. Atmawidjaja RW, Zainal Abidin MA, Ismail IH
    Med J Malaysia, 2016 Jun;71(3):147-8.
    PMID: 27495892 MyJurnal
    Pericardial effusion with cardiac tamponade is a rare and life-threatening complication of peripherally inserted central catheter (PICC) in a neonate. We report a 33-week preterm neonate who had sudden clinical deterioration at day seven of total parenteral nutrition regime via PICC. Recognition of pericardial effusion with cardiac tamponade in neonates with a PICC requires a high index of suspicion and steps in prevention include proper catheter tip placement and continuous monitoring of line position and function.
    Matched MeSH terms: Malaysia
  3. Othman BH, Toda T, Kikuchi T
    Zookeys, 2016.
    PMID: 27551211 DOI: 10.3897/zookeys.605.8562
    A new species of Leptostraca, Nebalia terazakii sp. n. is described and figured. The species was sampled from the coral reefs of Pulau Payar Marine Park, Langkawi, Malaysia. There are 32 existing species of Nebalia but Nebalia terazakii sp. n. can be distinguished from the other known species of Nebalia by the following combination of characters: the rostrum is 1.89 times as long as wide and the eyes have no dorsal papilla or lobes. Article 4 of the antennular peduncle has one short thick distal spine. The proximal article of the endopod of maxilla 2 is shorter than the distal, a feature peculiar to Nebalia terazakii sp. n., the exopod of maxilla 2 is longer than article 1 of the endopod, the posterior dorsal borders of the pleonites 6 to 7 are provided with distally sharp denticles, anal plate with prominent lateral shoulder and finally, the terminal seta of the caudal rami is 1.17 times the length of the entire rami.
    Matched MeSH terms: Malaysia
  4. Musa HI, Hassan L, Shamsuddin ZH, Panchadcharam C, Zakaria Z, Abdul Aziz S
    PLoS One, 2016;11(9):e0162348.
    PMID: 27635652 DOI: 10.1371/journal.pone.0162348
    Soil is considered to be a major reservoir of Burkholderia pseudomallei in the environment. This paper investigates soil physicochemical properties that may influence presence of B. pseudomallei in soil samples from small ruminant farms in Peninsular Malaysia. Soil samples were collected from the farms and cultured for B. pseudomallei. The texture, organic matter and water contents, pH, elemental contents, cation exchange capacities, carbon, sulfur and nitrogen contents were determined. Analysis of soil samples that were positive and negative for B. pseudomallei using multivariable logistic regression found that the odds of bacterial isolation from soil was significantly higher for samples with higher contents of iron (OR = 1.01, 95%CI = 1.00-1.02, p = 0.03), water (OR = 1.28, 95%CI = 1.05-1.55, p = 0.01) and clay (OR = 1.54, 95%CI = 1.15-2.06, p = 0.004) compared to the odds of isolation in samples with lower contents of the above variables. These three factors may have favored the survival of B. pseudomallei because iron regulates expression of respiratory enzymes, while water is essential for soil ecology and agent's biological processes and clay retains water and nutrients.
    Matched MeSH terms: Malaysia
  5. Irwandi, J., Farida, O.
    MyJurnal
    A study was conducted to quantitate the concentrations of heavy metals, such as Hg, Pb and Cd in eight species of marine fin fish caught off the coast of Langkawi Island in Malaysia, as well as in its waters. The same fish were also used to determine the content of nutritional minerals, such as copper (Cu), zinc (Zn), calcium (Ca), and manganese (Mn).Fish and water samples were collected from four different areas, namely (1) Main Jetty Pulau Tuba (MJPT), (2) Teluk Cempedak Jetty (TCJ), (3) Simpang Tiga Chian Lian (STCL) and (4) Main Jetty Kuah (MJK) around Langkawi Island. Results showed that for the vital elements, all species had higher concentration of Zn compared to other elements. For the toxic elements, lead (Pb) and mercury (Hg) were found to have lower concentration of the mean values than the permissible limits set by FAO/WHO (1984). However, cadmium (Cd) level was slightly higher than the permissible limit but was still acceptable according to the Malaysian Food Regulation (1985). It can be concluded that all fish species studied are safe to be consumed.
    Matched MeSH terms: Malaysia
  6. Abbas F.M.A., Saifullah, R., Azhar, M.E.
    MyJurnal
    Cavendish (Musa paradisiaca L, cv cavendshii) and Dream (Musa acuminata colla. AAA, cv ‘Berangan’) banana flours were prepared from ripe fruits collected from eleven markets located in Penang, Malaysia. The mineral composition (Na, K, Ca, Mg, Cu, Fe, Mn, Zn) of the flour were analyzed by atomic absorption spectrophotometer and the data obtained were analyzed using logistic regression model. Ripe banana flours were rich source of K and a fair source of other minerals, however logistic regression model identified Mg as an indicator to discriminate between the two types of banana flour affording 100 % correct assignation. Based on this result, mineral analysis may be suggested as a method to authenticate ripe banana flour. This study also presents the usefulness of logistic regression technique for analysis and interpretation of complex data.
    Matched MeSH terms: Malaysia
  7. Sujeewa, A.K.W., Norrakiah, A.S., Laina, M.
    MyJurnal
    Vibrio parahaemolyticus is prevalent in tropical marine environment in all seasons and can cause seafood-borne gastroenteritis. A total of 251 suspected isolates were tested including 60 from frozen shrimp, 50 from cultured live shrimp, 67 from sediments of culture ponds and 74 from water were subjected to polymerase chain reaction (PCR) targeting the toxR gene for confirmation as V. parahaemolyticus. Of the 128 toxR positive isolates, 15% of the isolates from culture environment (from live shrimp, sediments and water) and 7% of frozen shrimp samples were positive for the tdh and trh genes. Since urease production could be a marker of trh but not tdh in V. parahaemolyticus, a total of 189 of the 251 suspected V. parahaemolyticus isolates were tested for urease production and 41% of the isolates were found to be positive for urease production. However not all urease positive strains of V. parahaemolyticus were positive for either tdh or trh genes. Detection of virulent strains in shrimp culture environment in Malaysia suggests a probable risk for health of people consuming raw shrimp.
    Matched MeSH terms: Malaysia
  8. Zuhair, R.A., Aminah, A., Sahilah, A.M., Eqbal, D.
    MyJurnal
    Papaya (Carica papaya L. cv. Hongkong) is an economically important fruit crop grown in Malaysia. During its ripening stages, (C. papaya L.) exhibits different physicochemical properties, antioxidant capacities, and sensory quality results. The objective of this study was to elucidate in detail the antioxidant capacity of C. papaya as determined by total phenol content (TPC), total flavonoid content (TFC), ferric reducing antioxidant power (FRAP),2,2-diphenyl-1-picrylhydrazyl (DPPH) and scavenging systemand (ABTS). The study also aimed to study physicochemical changes of papaya fruits based on measured pH, titratable acidity (TA), total soluble solids (TSS), moisture and fruit color at five different stages of ripening. The fruits were harvested at five different, stages RS1, RS2, RS3, RS4, and RS5 corresponding to 12, 14, 16, 18, and 20 weeks after anthesis, respectively. Significant differences were found at different stages of ripening. The pH of the fruit decreased significantly (P < 0.05), whereas TA, moisture, and TSS increased significantly (P < 0.05) during the ripening process. The redness (a*) and yellowness (b*) values of fruit color both increased significantly (P < 0.05), whereas
    lightness (L*) varied. The total phenol content TPC, TFC, FRAP, DPPH and ABTS values increased significantly (P < 0.05) with the ripening process. Sensory evaluation based on the color, sweetness, sourness, flavor, and overall acceptance for the last three maturity stages was also performed. RS5 had a better score than RS3 or RS4. The results showed the important role of the ripening stage in increasing the antioxidant content of papaya fruits.
    Matched MeSH terms: Malaysia
  9. Khan, M.R.T., Chamhuri, S., Farah, H.S.
    MyJurnal
    The term ‘sustainable’ has become a buzz word in today’s business world. Consumption of green food is just one facet or ‘trip’ to the whole journey of sustainable development. This paper explores and synthesizes the findings of research on green food consumption in Malaysia. The already conducted studies in Malaysia have revealed various demographic and psychographic factors contributing to consumers’ intension to buy green food. This study revealed that majority of Malaysians consider food safety and health issue to be their prime reason for buying green food. To ensure the long term sustainability, the green food as well as the broad food industry in Malaysia must evidently understand the consumers’ buying motives of green food. Although mentionable limitation of the paper is the reliance on only published literature, this can be used as input for further large scale empirical research. The paper concludes with implications and suggestions for further research.
    Matched MeSH terms: Malaysia
  10. Wilts BD, Giraldo MA, Stavenga DG
    Front. Zool., 2016;13:36.
    PMID: 27525030 DOI: 10.1186/s12983-016-0168-7
    BACKGROUND: Ultrastructures in butterfly wing scales can take many shapes, resulting in the often striking coloration of many butterflies due to interference of light. The plethora of coloration mechanisms is dazzling, but often only single mechanisms are described for specific animals.

    RESULTS: We have here investigated the male Rajah Brooke's birdwing, Trogonoptera brookiana, a large butterfly from Malaysia, which is marked by striking, colorful wing patterns. The dorsal side is decorated with large, iridescent green patterning, while the ventral side of the wings is primarily brown-black with small white, blue and green patches on the hindwings. Dense arrays of red hairs, creating a distinct collar as well as contrasting areas ventrally around the thorax, enhance the butterfly's beauty. The remarkable coloration is realized by a diverse number of intricate and complicated nanostructures in the hairs as well as the wing scales. The red collar hairs contain a broad-band absorbing pigment as well as UV-reflecting multilayers resembling the photonic structures of Morpho butterflies; the white wing patches consist of scales with prominent thin film reflectors; the blue patches have scales with ridge multilayers and these scales also have centrally concentrated melanin. The green wing areas consist of strongly curved scales, which possess a uniquely arranged photonic structure consisting of multilayers and melanin baffles that produces highly directional reflections.

    CONCLUSION: Rajah Brooke's birdwing employs a variety of structural and pigmentary coloration mechanisms to achieve its stunning optical appearance. The intriguing usage of order and disorder in related photonic structures in the butterfly wing scales may inspire novel optical materials as well as investigations into the development of these nanostructures in vivo.

    Matched MeSH terms: Malaysia
  11. Li L, Fathelrahman AI, Borland R, Omar M, Fong GT, Quah AC, et al.
    Journal of smoking cessation, 2016 Jun;11(2):124-134.
    PMID: 27525045
    Malaysia introduced graphic health warning labels (GHWLs) on all tobacco packages in 2009. We aimed to examine if implementing GHWLs led to stronger warning reactions (e.g., thinking about the health risks of smoking) and an increase in subsequent quitting activities; and to examine how reactions changed over time since the implementation of the GHWLs in Malaysia and Thailand where GHWL size increased from 50-55% in 2010. Data came from six waves (2005-2014) of the International Tobacco Control Southeast Asia Survey. Between 3,706 and 4,422 smokers were interviewed across these two countries at each survey wave. Measures included salience of warnings, cognitive responses (i.e., thinking about the health risks and being more likely to quit smoking), forgoing cigarettes, and avoiding warnings. The main outcome was subsequent quit attempts. Following the implementation of GHWLs in Malaysia, reactions increased, in some cases to levels similar to the larger Thai warnings, but declined over time. In Thailand, reactions increased following implementation, with no decline for several years, and no clear effect of the small increase in warning size. Reactions, mainly cognitive responses, were consistently predictive of quit attempts in Thailand, but this was only consistently so in Malaysia after the change to GHWLs. In conclusion, GHWLs are responded to more frequently, and generate more quit attempts, but warning wear-out is not consistent in these two countries, perhaps due to differences in other tobacco control efforts.
    Matched MeSH terms: Malaysia
  12. Abdul Rahman NF, Ibrahim Azmi M
    MyJurnal
    Breaking bad news is a crucial communication delivered by healthcare professionals. This skill was
    taught in Management and Science University, Malaysia using lecture previously. Realising the
    instructional delivery gap, breaking bad news workshops was introduced involving not only the theory
    of the skills but the hands on experience as well. This workshop incorporated peer-assisted learning
    method in providing a friendly and conducive environment for the best learning experience for the
    students. Five workshops were conducted with a total of 204 students. Students (n = 38–42 per
    session) were given materials a week prior to the session to familiarise themselves with the workshop.
    Trained peer-assisted tutors (n = 8) guided role-playing sessions as well as giving feedbacks. Students
    found that the workshop to be useful adjunct to learning communication skills, specifically in breaking
    bad news. Students considered peer-assisted learning method provided them with a safe environment
    where mistakes were allowed, corrected and proper skills reiterated. In conclusion, learning breaking
    bad news is feasible with peer-assistance.
    Matched MeSH terms: Malaysia
  13. Shakir Aizat Shahruddin, Pradheeksha Saseedaran, Aishah Salleh, Che Amira Ahmad Azmi, Nik Harriz Izwan Mohammad Alfaisal, Rusli Abdullah, et al.
    MyJurnal
    House officers who are suffering from stress, anxiety or depression are at risk of harm to themselves, colleagues and even patients, as well as affecting their livelihood. Objective: This
    study is aimed to find the prevalence of stress, anxiety and depression among house officers working
    in Kota Kinabalu, Sabah. Method: A cross-sectional study was done using a self-administered
    questionnaire containing socio-demographic factors and Depression, Anxiety and Stress Scale (DASS)
    21. Results: Prevalence of stress, anxiety and depression were 57.1%, 63.7%, and 42.9% respectively. Multiple logistic regression analysis found that house officers who thought of quitting Housemanship was associated with stress (adjusted OR = 3.64, 95% CI: (1.44, 9.20), p = 0.006), and depression (adjusted OR = 8.26, 95% CI: (2.96, 23.02), p < 0.001). House officers who perceives that they are bullied is associated with anxiety (adjusted OR = 4.16, 95% CI: (1.33, 13.07), p = 0.015). Work
    experience of the house officers in months have a protective effect to stress (adjusted OR = 0.92, 95%
    CI: (0.87, 0.97), p = 0.004), anxiety (adjusted OR = 0.93, 95% CI: (0.88, 0.98), p = 0.006) and
    depression (adjusted OR = 0.92, 95% CI: (0.87, 0.98), p = 0.006). Conclusion: The prevalence of
    stress, anxiety and depression among house officers in Kota Kinabalu, Sabah is high. Management
    should look into the findings and understand the importance of addressing this problem as it may
    affect patient care and safety, and the livelihood of house officers. Future studies identifying why
    house officers are thinking of quitting service and why they do feel that they are being bullied may be
    warranted.
    Matched MeSH terms: Malaysia
  14. Farina Y, Abdullah MP, Bibi N, Khalik WM
    Food Chem, 2017 Jun 01;224:55-61.
    PMID: 28159293 DOI: 10.1016/j.foodchem.2016.11.113
    A simple and sensitive analytical method has been developed employing gas chromatography coupled with electron capture detector (GC-ECD), and validated for screening and quantification of 15 pesticide residues at trace levels in cabbage, broccoli, cauliflower, lettuce, celery, spinach, and mustard. The method consists of two steps, first, to determine the significance of each factor by Pareto chart followed by optimization of these significant factors using central composite design (CCD). Minitab statistical software was used for these multivariate experiments for the generation of 2(4-1) design and CCD matrices. The method evaluation was done by external standard calibration with linearity range between 0.5 and 3mg/kg, with correlation coefficient 0.99, limit of detection (LOD) ranges between 0.02 and 4.5ng/g, and limit of quantification (LOQ) ranges between 0.2 and 45ng/g. The average recovery was between 60% and 128%, with RSD 0.2-19.8%. The method was applied on real vegetable samples from Cameron Highlands.
    Matched MeSH terms: Malaysia
  15. Lye DC, Archuleta S, Syed-Omar SF, Low JG, Oh HM, Wei Y, et al.
    Lancet, 2017 Apr 22;389(10079):1611-1618.
    PMID: 28283286 DOI: 10.1016/S0140-6736(17)30269-6
    BACKGROUND: Dengue is the commonest vector-borne infection worldwide. It is often associated with thrombocytopenia, and prophylactic platelet transfusion is widely used despite the dearth of robust evidence. We aimed to assess the efficacy and safety of prophylactic platelet transfusion in the prevention of bleeding in adults with dengue and thrombocytopenia.
    METHODS: We did an open-label, randomised, superiority trial in five hospitals in Singapore and Malaysia. We recruited patients aged at least 21 years who had laboratory-confirmed dengue (confirmed or probable) and thrombocytopenia (≤20 000 platelets per μL), without persistent mild bleeding or any severe bleeding. Patients were assigned (1:1), with randomly permuted block sizes of four or six and stratified by centre, to receive prophylactic platelet transfusion in addition to supportive care (transfusion group) or supportive care alone (control group). In the transfusion group, 4 units of pooled platelets were given each day when platelet count was 20 000 per μL or lower; supportive care consisted of bed rest, fluid therapy, and fever and pain medications. The primary endpoint was clinical bleeding (excluding petechiae) by study day 7 or hospital discharge (whichever was earlier), analysed by intention to treat. Safety outcomes were analysed according to the actual treatment received. This study was registered with ClinicalTrials.gov, number NCT01030211, and is completed.
    FINDINGS: Between April 29, 2010, and Dec 9, 2014, we randomly assigned 372 patients to the transfusion group (n=188) or the control group (n=184). The intention-to-treat analysis included 187 patients in the transfusion group (one patient was withdrawn immediately) and 182 in the control group (one was withdrawn immediately and one did not have confirmed or probable dengue). Clinical bleeding by day 7 or hospital discharge occurred in 40 (21%) patients in the transfusion group and 48 (26%) patients in the control group (risk difference -4·98% [95% CI -15·08 to 5·34]; relative risk 0·81 [95% CI 0·56 to 1·17]; p=0·16). 13 adverse events occurred in the transfusion group and two occurred in the control group (5·81% [-4·42 to 16·01]; 6·26 [1·43 to 27·34]; p=0·0064). Adverse events that were possibly, probably, or definitely related to transfusion included three cases of urticaria, one maculopapular rash, one pruritus, and one chest pain, as well as one case each of anaphylaxis, transfusion-related acute lung injury, and fluid overload that resulted in serious adverse events. No death was reported.
    INTERPRETATION: In adult patients with dengue and thrombocytopenia, prophylactic platelet transfusion was not superior to supportive care in preventing bleeding, and might be associated with adverse events.
    FUNDING: National Medical Research Council, Singapore.
    Study site: Hospitals, Singapore; University Malaya Medical Centre (UMMC). Kuala Lumpur, Malaysia
    Study protocol: https://clinicaltrials.gov/ct2/show/NCT01030211
    Matched MeSH terms: Malaysia
  16. Lim, W. J., Chin, N. L., Yusof, A. Y., Yahya, A., Tee, T. P.
    MyJurnal
    The increasing amount of food waste in Malaysia in recent years has brought many environmental
    issues in the country where it affects the nation’s solid waste management framework. At the
    moment, the government is limited to other alternatives of food waste disposal besides the
    conventional landfill and incineration methods. This paper provides information on the current
    status of food waste handling, management, regulations, and policies in Malaysia. It helps
    to draw the problem and challenge to a clearer view in efforts of achieving sustainable and
    integrative food waste handling in the country.
    Matched MeSH terms: Malaysia
  17. Chang J
    BMJ, 2016 Nov 25;355:i6317.
    PMID: 27886999 DOI: 10.1136/bmj.i6317
    Matched MeSH terms: Malaysia
  18. Seltmann A, Czirják GÁ, Courtiol A, Bernard H, Struebig MJ, Voigt CC
    Conserv Physiol, 2017;5(1):cox020.
    PMID: 28421138 DOI: 10.1093/conphys/cox020
    Anthropogenic habitat disturbance is a major threat to biodiversity worldwide. Yet, before population declines are detectable, individuals may suffer from chronic stress and impaired immunity in disturbed habitats, making them more susceptible to pathogens and adverse weather conditions. Here, we tested in a paleotropical forest with ongoing logging and fragmentation, whether habitat disturbance influences the body mass and immunity of bats. We measured and compared body mass, chronic stress (indicated by neutrophil to lymphocyte ratios) and the number of circulating immune cells between several bat species with different roost types living in recovering areas, actively logged forests, and fragmented forests in Sabah, Malaysia. In a cave-roosting species, chronic stress levels were higher in individuals from fragmented habitats compared with conspecifics from actively logged areas. Foliage-roosting species showed a reduced body mass and decrease in total white blood cell counts in actively logged areas and fragmented forests compared with conspecifics living in recovering habitats. Our study highlights that habitat disturbance may have species-specific effects on chronic stress and immunity in bats that are potentially related to the roost type. We identified foliage-roosting species as particularly sensitive to forest habitat deterioration. These species may face a heightened extinction risk in the near future if anthropogenic habitat alterations continue.
    Matched MeSH terms: Malaysia
  19. Lee CF, Bezdĕk J
    Zootaxa, 2016 Oct 28;4179(1):1-41.
    PMID: 27811689 DOI: 10.11646/zootaxa.4179.1.1
    The genus Morphosphaera Baly, 1861 is revised. Eleven species are considered as valid, including, M. takizawai sp. nov. (Mt. Basor, 90 km N of Gua Musang, Malaysia, W. Kelantan), described from Malaysia and Indonesia. Color photos of habitus and drawings of diagnostic characters from eleven species are presented. The following synonymies are proposed: M. sodalis Chen, 1935 and M. brunnea Maulik, 1936 are junior synonyms of M. albipennis Allard, 1889; M. margaritacea Laboissière, 1930, M. viridipennis Laboissière, 1930, and M. prava Maulik, 1936 are junior synonyms of M. coomani Laboissière, 1930; M. gracilicornis Chen, 1963 is a junior synonym of M. maculicollis Baly, 1861; M. cavaleriei Laboissière, 1930, M. cincticollis Laboissière, 1930, M. marginata Laboissière, 1930, M. purpurea Laboissière, 1930, M. gingkoae Gressitt & Kimoto, 1963, and M. metallescens Gressitt & Kimoto, 1963 are junior synonyms of M. sumatrana Jacoby, 1886. The type material of M. impunctata Allard, 1890 from the Philippines was not found and its taxonomic status remains uncertain. Morphosphaera peregrina Weise, 1913 is transferred to the genus Borneola Mohamedsaid, 1998 nov. comb. A neotype is designated for Chrysomela japonica Hornstedt, 1788. Lectotypes are designated for the following species: Adorium chrysomeloides Bates, 1866, A. japonicum Baly, 1874, Morphosphaera albipennis Allard, 1889, M. bimaculata Chûjô, 1938, M. caerulea Jacoby, 1896, M. cavaleriei Laboissière, 1930, M. collaris Laboissière, 1930, M. formosa Laboissière, 1930, M. marginata Laboissière, 1930, M. montivaga Maulik, 1936, M. prava Maulik, 1936, M. purpurea Laboissière, 1930, M. sumatrana Jacoby, 1886, M. viridipennis Laboissière, 1930, and Galerucida simplex Weise, 1922.
    Matched MeSH terms: Malaysia
  20. Choong CY
    Zootaxa, 2016 Sep 28;4171(2):382-388.
    PMID: 27701232 DOI: 10.11646/zootaxa.4171.2.11
    A new species Leptogomphus tioman is described based on male specimens collected from Tioman Island, Peninsular Malaysia. It is close to Leptogomphus risi Laidlaw in thoracic markings but is readily distinguished by its anal appendages and accessory genitalia.
    Matched MeSH terms: Malaysia
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