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METHYLENE BLUE INHIBITS THE INTERACTION BETWEEN HEPARAN SULFATE AND SARS-COV-2 SPIKE PROTEIN; A REVIEW OF EVIDENCE FOR A HYPOTHESIS. 亚甲基蓝抑制硫酸肝素与sars-cov-2刺突蛋白的相互作用;对一个假设的证据的回顾
Pub Date : 2021-10-01 DOI: 10.31674/mjmr.2021.v05i04.002
N. Indika, Nirmalie Gayathrie Fonseka
The addition of methylene blue to the standard treatment protocol has been shown to improve respiratory rate and oxygen saturation in COVID-19 patients, reducing morbidity and mortality. Evidence to date suggests that methylene blue inhibits protein-protein interactions between SARS-CoV-2 Spike protein and angiotensin-converting enzyme 2, which in turn inhibits the cell entry of SARS-CoV-2. However, the methylene blue dye-binding characteristics of sulfated glycosaminoglycans suggest additional inhibitory effects of the spike protein-heparan sulfate interaction. We hypothesize that the binding of cationic methylene blue neutralizes polyanionic heparan sulfate molecules on the host cell surface. As a consequence, electrostatic interactions between negatively charged heparan sulfate and the positively charged receptor binding domain of SARS-CoV-2 spike protein will be inhibited. Thus, methylene blue will exhibit a "shielding effect" on the heparan sulfate proteoglycans, inhibiting viral attachment to the cell surface. The proposed mechanism corroborates the possible broad-spectrum antiviral activity of methylene blue against multiple human coronaviruses that exploit the electrostatic interactions with sulfated glycosaminoglycans for virus entry. Methylene blue would exhibit the same anti-adhesive activity at the blood-brain-barrier and olfactory neuroepithelium, corroborating potential benefits in ameliorating post-COVID-19 neurological impairment. However, as cationic dyes can bind to both free glycosaminoglycans in circulation as well as proteoglycans attached to the cell surface, co-administration of intravenous heparin could possibly antagonize the proposed antiviral activity. This critical review focuses on empirical evidence to support the hypothesized heparan sulfate-dependent antiviral activity of MB.
在标准治疗方案中加入亚甲基蓝已被证明可以改善COVID-19患者的呼吸频率和氧饱和度,降低发病率和死亡率。迄今为止的证据表明,亚甲基蓝抑制SARS-CoV-2刺突蛋白和血管紧张素转换酶2之间的蛋白-蛋白相互作用,从而抑制SARS-CoV-2的细胞进入。然而,磺化糖胺聚糖的亚甲基蓝染料结合特性表明,刺突蛋白-硫酸肝素相互作用具有额外的抑制作用。我们假设阳离子亚甲基蓝的结合中和了宿主细胞表面的多阴离子硫酸肝素分子。因此,带负电荷的硫酸肝素与带正电荷的SARS-CoV-2刺突蛋白受体结合域之间的静电相互作用将被抑制。因此,亚甲基蓝将对硫酸肝素蛋白聚糖表现出“屏蔽效应”,抑制病毒附着在细胞表面。提出的机制证实了亚甲基蓝对多种人类冠状病毒可能具有广谱抗病毒活性,这些冠状病毒利用与硫酸糖胺聚糖的静电相互作用使病毒进入。亚甲基蓝在血脑屏障和嗅觉神经上皮中表现出相同的抗粘附活性,证实了改善covid -19后神经损伤的潜在益处。然而,由于阳离子染料可以结合循环中的游离糖胺聚糖以及附着在细胞表面的蛋白聚糖,因此静脉注射肝素可能会拮抗所提出的抗病毒活性。这篇重要的综述侧重于经验证据,以支持假设的硫酸肝素依赖的MB抗病毒活性。
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引用次数: 0
HYDRONEPHROSIS: A CASE OF URETERAL METASTASISOF PROSTATE CANCER 肾积水:前列腺癌输尿管转移1例
Pub Date : 2021-10-01 DOI: 10.31674/mjmr.2021.v05i04.006
Mohd Aznan Md Aris, Mazilah Mazlan, N. S. K. Roslee
HYDRONEPHROSIS: A CASE OF URETERAL METASTASIS OF PROSTATE CANCER
肾积水:前列腺癌输尿管转移1例
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引用次数: 1
A CASE REPORT: POSTPRANDIAL HYPOGLYCAEMIA IN INTERMITTENT FASTING DIET FOR TYPE 2 DIABETES MELLITUS PATIENT 2型糖尿病患者间歇性禁食后餐后低血糖1例报告
Pub Date : 2021-10-01 DOI: 10.31674/mjmr.2021.v05i04.003
Syazana Aqilah Zulkifli, M. Aris
This report illustrates a case of a 60-year-old lady with type 2 diabetes mellitus who performs intermittent fasting (IF) diet, with the aim to lose her weight and indirectly reverse her diabetes mellitus, hypertension, and hyperlipidaemia. She managed to get the optimum blood pressure, lose 6 kg, and reduce her glycaemic control from 7.8% to 5.8% within 10 months period. However, she started to get episodes of symptomatic post prandial hypoglycaemia when she is about to achieve her target.
本报告描述了一位60岁的2型糖尿病妇女,她采用间歇性禁食(IF)饮食,目的是减轻体重,间接扭转她的糖尿病、高血压和高脂血症。在10个月的时间里,她成功地获得了最佳血压,减掉了6公斤,并将血糖控制从7.8%降至5.8%。然而,当她即将达到目标时,她开始出现餐后低血糖症状。
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引用次数: 0
Biomarkers and Bioactivity in Drug Discovery using a Joint Modelling Approach 使用联合建模方法的药物发现中的生物标志物和生物活性
Pub Date : 2021-09-21 DOI: 10.18034/mjmbr.v8i2.585
Kawsher Rahman
Biomarkers that are validated and robust are required for the enhancement of diagnosis, the observation of drug-related activity, therapeutic reactions, and as the blueprint for developing safer and more direct therapeutic efforts for a variety of chronic ailments. Various kinds of biomarkers have proven impactful when it comes to the discovery and development of drugs, but the procedure that involves identifying and verifying ailment-specific biomarkers has proven to be hassling. In recent times, there have been some advancements in multiple omics (also known as multi-omics) methods like transcriptomic, cytometry, genomics, proteomics, metabolomics and imaging. These advancements have made it possible for the discovery and development of distinct biomarkers for complicated chronic ailments to be accelerated expeditiously. In spite of the fact that numerous drawbacks still need to be looked into, ongoing efforts for the discovery and improvement of illness-associated biomarkers will go a long way in optimizing decision-making across the entire process of drug development and expand our comprehension of the infection processes. In addition, when the preclinical biomarkers are effectively translated into the clinic, the way will pave well to an equally effective implementation of personalized therapies throughout complicated illness environments to become beneficial to patients, healthcare service providers and the industry of bio-pharma.  
对于加强诊断、观察药物相关活性和治疗反应,以及为各种慢性疾病开发更安全、更直接的治疗方案,需要经过验证和强大的生物标志物。当涉及到药物的发现和开发时,各种各样的生物标志物已经被证明是有影响的,但是涉及识别和验证特定疾病的生物标志物的程序已经被证明是麻烦的。近年来,转录组学、细胞组学、基因组学、蛋白质组学、代谢组学和成像等多组学方法取得了一些进展。这些进步使复杂慢性疾病的独特生物标志物的发现和开发得以迅速加快。尽管仍有许多缺陷需要研究,但正在进行的发现和改进疾病相关生物标志物的努力将大大有助于优化药物开发整个过程的决策,并扩大我们对感染过程的理解。此外,当临床前生物标志物被有效地转化为临床时,将为在复杂的疾病环境中同样有效地实施个性化治疗铺平道路,从而使患者、医疗保健服务提供者和生物制药行业受益。
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引用次数: 0
Molecular Generators and Optimizers Failure Modes 分子发生器和优化器失效模式
Pub Date : 2021-09-07 DOI: 10.18034/mjmbr.v8i2.583
Mani Manavalan
In recent years, there has been an uptick in interest in generative models for molecules in drug development. In the field of de novo molecular design, these models are used to make molecules with desired properties from scratch. This is occasionally used instead of virtual screening, which is limited by the size of the libraries that can be searched in practice. Rather than screening existing libraries, generative models can be used to build custom libraries from scratch. Using generative models, which may optimize molecules straight towards the desired profile, this time-consuming approach can be sped up. The purpose of this work is to show how current shortcomings in evaluating generative models for molecules can be avoided. We cover both distribution-learning and goal-directed generation with a focus on the latter. Three well-known targets were downloaded from ChEMBL: Janus kinase 2 (JAK2), epidermal growth factor receptor (EGFR), and dopamine receptor D2 (DRD2) (Bento et al. 2014). We preprocessed the data to get binary classification jobs. Before calculating a scoring function, the data is split into two halves, which we shall refer to as split 1/2. The ratio of active to inactive users. Our goal is to train three bioactivity models with equal prediction performance, one to be used as a scoring function for chemical optimization and the other two to be used as performance evaluation models. Our findings suggest that distribution-learning can attain near-perfect scores on many existing criteria even with the most basic and completely useless models. According to benchmark studies, likelihood-based models account for many of the best technologies, and we propose that test set likelihoods be included in future comparisons.
近年来,人们对药物开发中的分子生成模型的兴趣有所上升。在从头分子设计领域,这些模型用于从零开始制造具有所需性质的分子。这偶尔会被用来代替虚拟筛选,因为虚拟筛选在实践中受限于可搜索的库的大小。生成模型可以用来从头开始构建自定义库,而不是筛选现有库。使用生成模型,它可以直接优化分子到所需的轮廓,这种耗时的方法可以加快速度。这项工作的目的是展示如何在评估分子生成模型目前的缺点可以避免。我们涵盖了分布学习和目标导向生成,重点是后者。从ChEMBL下载了三个众所周知的靶点:Janus激酶2 (JAK2)、表皮生长因子受体(EGFR)和多巴胺受体D2 (DRD2) (Bento et al. 2014)。我们对数据进行预处理以获得二元分类作业。在计算评分函数之前,将数据分成两半,我们称之为二分之一。活跃用户与非活跃用户的比率。我们的目标是训练三个具有相同预测性能的生物活性模型,其中一个用作化学优化的评分函数,另外两个用作性能评估模型。我们的研究结果表明,即使使用最基本和完全无用的模型,分布学习也可以在许多现有标准上获得近乎完美的分数。根据基准研究,基于似然的模型解释了许多最好的技术,我们建议在未来的比较中包括测试集似然。
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引用次数: 2
Risk of Neurodegeneration in Patients with Morgellons Disease: A Focus on the Potential Risk of Developing Alzheimer’s 莫吉隆斯病患者神经退行性变的风险:发展为阿尔茨海默氏症的潜在风险
Pub Date : 2021-09-03 DOI: 10.18034/mjmbr.v8i2.579
J. Grimm
Morgellons disease is a distressing dermatologic condition that typically presents with multiple, non-healing skin lesions with filamentous protrusions. Initial presentation of the condition can often include various neurological symptoms with dermatologic symptoms. Common neurological symptoms include neuropathy, cognitive impairment, and dementia. Recent studies reveal that spirochetes are a causative agent of Morgellons disease. Chronic spirochete infection is strongly associated with neurodegeneration seen in dementia and Alzheimer’s disease. This paper will provide a brief overview of Morgellons and Alzheimer’s disease and will explore the possible risk of developing Alzheimer’s in Morgellons patients.
莫吉隆斯病是一种令人痛苦的皮肤病,通常表现为多发性、不愈合的皮肤病变和丝状突起。这种疾病的最初表现通常包括各种神经系统症状和皮肤症状。常见的神经症状包括神经病变、认知障碍和痴呆。最近的研究表明,螺旋体是莫吉隆斯病的病原体。慢性螺旋体感染与痴呆和阿尔茨海默病中的神经变性密切相关。本文将简要介绍Morgellons和阿尔茨海默病,并探讨Morgellons患者患阿尔茨海默病的可能风险。
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引用次数: 0
EFFECT OF HERBAL THERAPY STEEPING SALAM LEAF TO DECREASE IN BLOOD GLUCOSE LEVELS IN ELDERLY PATIENTS WITH DIABETES MELLITUS IN THE VILLAGE OF SUKODONO SUBDISTRICT OF SIDOARJO CITY 中草药浸泡萨拉姆叶对西多阿霍市苏可多诺街道村老年糖尿病患者血糖水平的影响
Pub Date : 2021-07-01 DOI: 10.31674/mjmr.2021.v05i03.006
N. Anggraini
Introduction: Diabetes mellitus is a metabolic disease most often occurs in the elderly due to decreased function of the pancreas which produce insulin function. The number of elderly patients with DM in the village of Tell subdistrict of Sidoarjo regency Sukodono ignorance alternative ways to control blood sugar levels. The purpose of this study was to analyze the influence of herbal therapy steeping Salam leaves against a decrease in blood glucose levels in the elderly. Methods:This study design pre Experiment (One-group pre-post test design). Samples were taken using purposive sampling and obtained as many as 28 elderly Tell Rural District of Sukodono Sidoarjo. The independent variable is the herbal therapy steeping Salam leaves and the dependent variable is blood glucose levels in the elderly. Test Gluchose research instruments used for the measurement of blood sugar levels. Test data analysis using Paired T-test ? ? 0.05. Results:The results showed that the steeping Salam leaves for lowering blood glucose levels in elderly people with diabetes mellitus is evidenced by the results of Test Paired t-test showed ? = 0.000 before and after the treatment groups. Conclution:Seeing the results of this study can be concluded that the steeping Salam leaves containing astringent compounds can affect insulin sensitivity thereby stimulating the parasympathetic autonomic nerve stimulation and stimulate the release of insulin from the pancreas gland. Furthermore, the public are advised to be used as an alternative way to control blood sugar levels.
简介:糖尿病是一种多见于老年人的代谢性疾病,主要是由于产生胰岛素的胰腺功能下降所致。Sidoarjo县Tell街道村的老年糖尿病患者对控制血糖水平的替代方法一无所知。本研究的目的是分析草药疗法浸泡萨拉姆叶对老年人血糖水平降低的影响。方法:本研究设计预实验(单组前后试验设计)。采用目的抽样法,对苏科多诺西多阿霍泰尔农村地区的28名老年人进行了抽样调查。自变量为草药疗法浸泡萨拉姆叶,因变量为老年人血糖水平。用于测量血糖水平的研究仪器。使用配对t检验检验数据分析?? 0.05. 结果:结果表明,浸泡萨拉姆叶具有降低老年糖尿病患者血糖水平的作用,检验配对t检验结果显示?= 0.000。结论:看到本研究的结果,可以得出含有收敛性化合物的萨拉米叶浸泡可以影响胰岛素敏感性,从而刺激副交感自主神经的刺激,刺激胰腺胰岛素的释放。此外,建议公众将其作为控制血糖水平的另一种方法。
{"title":"EFFECT OF HERBAL THERAPY STEEPING SALAM LEAF TO DECREASE IN BLOOD GLUCOSE LEVELS IN ELDERLY PATIENTS WITH DIABETES MELLITUS IN THE VILLAGE OF SUKODONO SUBDISTRICT OF SIDOARJO CITY","authors":"N. Anggraini","doi":"10.31674/mjmr.2021.v05i03.006","DOIUrl":"https://doi.org/10.31674/mjmr.2021.v05i03.006","url":null,"abstract":"Introduction: Diabetes mellitus is a metabolic disease most often occurs in the elderly due to decreased function of the pancreas which produce insulin function. The number of elderly patients with DM in the village of Tell subdistrict of Sidoarjo regency Sukodono ignorance alternative ways to control blood sugar levels. The purpose of this study was to analyze the influence of herbal therapy steeping Salam leaves against a decrease in blood glucose levels in the elderly. Methods:This study design pre Experiment (One-group pre-post test design). Samples were taken using purposive sampling and obtained as many as 28 elderly Tell Rural District of Sukodono Sidoarjo. The independent variable is the herbal therapy steeping Salam leaves and the dependent variable is blood glucose levels in the elderly. Test Gluchose research instruments used for the measurement of blood sugar levels. Test data analysis using Paired T-test ? ? 0.05. Results:The results showed that the steeping Salam leaves for lowering blood glucose levels in elderly people with diabetes mellitus is evidenced by the results of Test Paired t-test showed ? = 0.000 before and after the treatment groups. Conclution:Seeing the results of this study can be concluded that the steeping Salam leaves containing astringent compounds can affect insulin sensitivity thereby stimulating the parasympathetic autonomic nerve stimulation and stimulate the release of insulin from the pancreas gland. Furthermore, the public are advised to be used as an alternative way to control blood sugar levels.","PeriodicalId":18105,"journal":{"name":"Malaysian Journal of Medical and Biological Research","volume":"90 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87482267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
PRESCRIBING PATTERN OF INTRAVENOUS ANTIBIOTICS FOR HOSPITALIZED PATIENT IN HOSPITAL JERANTUT 医院住院患者静脉注射抗生素处方模式分析
Pub Date : 2021-07-01 DOI: 10.31674/mjmr.2021.v05i03.005
Sumaiyah Abdul Aziz
Hospitalized patients are often prescribed with antibiotics and it can be a challenge for the prescriber. This study is conducted to review the prescribing pattern of intravenous antibiotics for hospitalized patients in Jerantut Hospital in accordance to the National Antibiotic Guideline and Antimicrobial Stewardship Program.
住院病人经常被开抗生素,这对开处方的人来说可能是一个挑战。本研究旨在回顾Jerantut医院住院患者静脉注射抗生素的处方模式,以符合国家抗生素指南和抗菌药物管理计划。
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引用次数: 0
REDUCING ANXIETY LEVELS THROUGH INTEGRATIVE INTERVENTION OF FIVE-FINGER HYPNOSIS AND AROMATHERAPY 通过五指催眠和芳香疗法的综合干预降低焦虑水平
Pub Date : 2021-07-01 DOI: 10.31674/mjmr.2021.v05i03.002
D. Hartono, U. A. Hidayat, Y. Cahyati, Sandeep Poddar
Anxiety is the most common mental disorder, around 3.6% of the population. Effective care and treatment for anxiety disorders are needed. This is done so that individuals who experience these disorders can return to being productive in meeting their life needs and do not depend on other people. Currently, client management is not only given psychopharmaceutical treatment but also with a psychotherapy approach. This study aims to determine the integrative effect of five-finger hypnosis and aromatherapy on the level of anxiety of patients at the Mental Polyclinic of dr. Soekardjo City of Tasikmalaya. The method used is research quantitative with research quasi-experimental design pre-test and post-test with control design. Bivariate analysis on the variables before and after the intervention using paired t-test, and independent t-test to see the comparison of anxiety scores after intervention in the control group and the intervention group.The results showed 60 respondents, 30 control group respondents received Five Finger Hypnosis treatment for 4 times a week for 3 weeks, while 30 people in the intervention group received a combination of Five Finger Hypnosis and Aromatherapy for 4 times a week for 3 weeks. Before and after the intervention was carried out, the level of anxiety was measured using the Hamilton Anxiety Rating Scale (HARS). The analysis showed that there was a difference in the average score of anxiety before and after the intervention in the intervention group. Further analysis found that there was a significant difference in the average score of anxiety after the intervention between the control group and the intervention group. therapy Five finger hypnosis and aromatherapy should be used as an independent nursing intervention in dealing with anxiety problems.
焦虑是最常见的精神障碍,约占人口的3.6%。需要对焦虑症进行有效的护理和治疗。这样做的目的是使患有这些疾病的个人能够在满足其生活需求方面恢复生产力,而不依赖他人。目前,客户管理不仅给予精神药物治疗,而且还采用心理治疗方法。本研究旨在确定五指催眠和芳香疗法对Tasikmalaya Soekardjo博士精神综合诊所患者焦虑水平的综合影响。研究方法采用研究准实验设计的定量研究和控制设计的前测和后测。采用配对t检验对干预前后的变量进行双变量分析,并采用独立t检验对比对照组和干预组干预后的焦虑得分。结果显示,60名被调查者中,对照组30名接受五指催眠治疗,每周4次,持续3周,干预组30名接受五指催眠与芳香疗法联合治疗,每周4次,持续3周。干预前后,使用汉密尔顿焦虑评定量表(HARS)测量焦虑水平。分析发现,干预组在干预前后的焦虑平均分存在差异。进一步分析发现,干预后的焦虑平均分在对照组和干预组之间存在显著差异。在处理焦虑问题时,应采用五指催眠和芳香疗法作为独立的护理干预。
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引用次数: 2
IMPACT OF COVID-19 PANDEMIC ON MENTAL AND EMOTIONAL WELLBEING AMONG CHILDREN: A SYSTEMATIC REVIEW COVID-19大流行对儿童心理和情绪健康的影响:一项系统综述
Pub Date : 2021-07-01 DOI: 10.31674/mjmr.2021.v05i03.003
Dior Manta Tambunan, N. Nurjanah, S. Rahmayanti, Rahmi Imelisa, F. M. Said, Bibi Florina Abdullah
Background: Coronavirus pandemic represents a huge threat and phenomenal risks on mental and emotional wellness among children. This systematic review expects to integrate academic research literature that provides details regarding the impact of COVID-19 on emotional wellbeing and mental status among children.Methods: A systematic research engine was escorted on PubMed, Proquest, ScienceDirect, and Google Scholar with keywords: Children, COVID-19, Mental Status, Psychological Status from December 2019 to 18 November 2020 following the PRISMA guidelines. Articles were chosen dependent on the predetermined eligibility criteria. The included articles to review used the Quality Assessment Tool Adapted from the National Institutes of Health (NIH).Results: A total of 17,059 records were identified using the keywords. After removal of duplicates and initial screening, seven articles met the inclusion criteria of COVID-19 influence on mental and emotional wellbeing among children. The research design was a longitudinal and cross-sectional online survey with the children age range was 3 – 18 years old.Conclusions: COVID-19 Pandemic has a significant influence on mental and emotional wellbeing among children. Some children experienced depressive indication, difficulty concentrating, anxiety, touchy and easy to get irritated.Limitations: Online survey generalized the results, younger children might need assistance from parents during filling up the questionnaire, small sampling size.
背景:冠状病毒大流行对儿童的心理和情绪健康构成巨大威胁和巨大风险。本系统综述希望整合学术研究文献,提供有关COVID-19对儿童情绪健康和精神状态影响的详细信息。方法:根据PRISMA指南,在2019年12月至2020年11月18日期间,在PubMed、Proquest、ScienceDirect和谷歌Scholar上以关键词:儿童、COVID-19、精神状态、心理状态为系统研究引擎。文章的选择取决于预先确定的资格标准。纳入的文章使用的是改编自美国国立卫生研究院(NIH)的质量评估工具。结果:使用关键词共识别出17,059条记录。在去除重复项和初步筛选后,有7篇文章符合COVID-19对儿童心理和情绪健康影响的纳入标准。研究设计为纵向和横断面在线调查,儿童年龄范围为3 - 18岁。结论:2019冠状病毒病大流行对儿童心理和情绪健康有显著影响。部分患儿出现抑郁、注意力不集中、焦虑、敏感、易烦躁等症状。局限性:在线调查的结果比较笼统,年龄较小的儿童在填写问卷时可能需要家长的帮助,样本量小。
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引用次数: 1
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Malaysian Journal of Medical and Biological Research
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