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Li H, Yang Y, Liu Q, Liu L, Zhang G, Zhang X, Yin M, Cao Y. The Effects of Caffeine on Exercise in Hot Environments: A Bibliometric Study. Nutrients 2024; 16:3692. [PMID: 39519525 PMCID: PMC11547974 DOI: 10.3390/nu16213692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2024] [Revised: 10/10/2024] [Accepted: 10/23/2024] [Indexed: 11/16/2024] Open
Abstract
BACKGROUND Caffeine is widely recognized as an ergogenic aid to enhance athletic performance, yet its effects in hot environments remain relatively underexplored. AIMS To provide a comprehensive overview of the research landscape and identify research themes in this field. METHODS We systematically searched the Web of Science (WoS) and SCOPUS databases using keywords related to caffeine (e.g., caffe*), hot environments (e.g., heat, hot, or therm*), and athletic performance (e.g., cardio, endurance, or strength). The Bibliometrix package in R was used for bibliometric analysis and result visualization, while a narrative review was subsequently performed to identify research themes. RESULTS We found that studies examining the impact of caffeine on exercise in hot conditions are relatively sparse and have progressed slowly in recent years. Research in this domain has predominantly been concentrated within an academic network led by Professor Lawrence Armstrong. Recent contributions have been sporadically made by emerging scholars, with collaborations largely confined to a few research groups and countries. Key research themes identified include exercise performance, thermoregulation, fluid balance, physiological responses, immune responses, synergistic effects with other compounds, and the influence of individual differences. Of these, the first three themes-exercise performance, thermoregulation, and fluid balance-have received the most attention. CONCLUSIONS Caffeine's effects on exercise performance in hot environments have not been thoroughly studied. The existing research themes are varied, and the conclusions show considerable inconsistencies. Our study highlights the need for further research into the effects of caffeine dosage, administration methods, and population-specific variables. We also call for increased collaboration among research groups to advance scientific understanding and address the gaps in this field.
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Affiliation(s)
- Hansen Li
- School of Physical Education, Sichuan Agricultural University, Ya'an 625014, China
| | - Ying Yang
- School of Physical Education, Sichuan Agricultural University, Ya'an 625014, China
| | - Qian Liu
- School of Physical Education, Sichuan Agricultural University, Ya'an 625014, China
| | - Liming Liu
- School of Physical Education, Sichuan Agricultural University, Ya'an 625014, China
| | - Guodong Zhang
- Institute of Sports Science, College of Physical Education, Southwest University, Chongqing 400715, China
| | - Xing Zhang
- Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain
| | - Mingyue Yin
- School of Athletic Performance, Shanghai University of Sport, Shanghai 200438, China
| | - Yang Cao
- Clinical Epidemiology and Biostatistics, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, 70182 Örebro, Sweden
- Unit of Integrative Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, 17177 Stockholm, Sweden
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Zhang Y, Shaojun C, Akintunde TY, Okagbue EF, Isangha SO, Musa TH. Life course and mental health: a thematic and systematic review. Front Psychol 2024; 15:1329079. [PMID: 39309150 PMCID: PMC11412817 DOI: 10.3389/fpsyg.2024.1329079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 08/28/2024] [Indexed: 09/25/2024] Open
Abstract
Objective This study explored the influence of the life course on mental health by identifying key trends, seminal works, and themes in existing research. Additionally, it highlights the major discussions at the intersection of life course and mental health. Methods Documents were extracted from the Web of Science Core Collection (WoSCC), to systematically analyze themes on mental health outcomes across the life course. The analysis was based on key bibliometric tools, including VOSviewer 1.6.11, R Studio software, and GraphPad Prism 9 to analyze the evolution and impact of scholarly contributions in this domain. Results The accumulated body of research concerning the life course's impact on mental health, which began to emerge around 1990 displayed a consistently upward trend. Predominant contributions originate from developed nations and frequently look into the psychosocial determinants of mental health over life course. Life course and mental health studies have been extensively infused with biopsychosocial frameworks that consider the role of genetic makeup, neurodevelopment, cognition, affect, sociocultural dynamics, and interpersonal relationships. Life course theory application in mental health highlight the substantive effects of accumulated adversities, notably social determinants of health, adverse childhood experiences (ACEs), and their implications for subsequent mental health outcomes. Conclusion The nexus of life course and mental health outcomes demands further scholarly interrogation, particularly within underserved regions, to strengthen protective mechanisms for vulnerable populations.
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Affiliation(s)
- Yuhu Zhang
- Department of Sociology, School of Public Administration, Hohai University, Nanjing, China
| | - Chen Shaojun
- Department of Sociology, School of Public Administration, Hohai University, Nanjing, China
| | - Tosin Yinka Akintunde
- Department of Sociology, School of Public Administration, Hohai University, Nanjing, China
- Faculty of Nursing, University of Alberta, Alberta, AB, Canada
| | - Ekene Francis Okagbue
- Department of Social and Behavioral Sciences, College of Liberal Arts and Social Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Stanley Oloji Isangha
- Department of Social and Behavioral Sciences, College of Liberal Arts and Social Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Taha Hussein Musa
- School of Medicine, Dafur University College, Nyala, Sudan
- Biomedical Research Institute, Dafur University College, Nyala, Sudan
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Li M, Zhang K, He J, Zhang W, Lv T, Wang L, Xing W, Yu H. Hepatic arterial infusion chemotherapy in hepatocellular carcinoma: A bibliometric and knowledge-map analysis. Front Oncol 2023; 12:1071860. [PMID: 36686799 PMCID: PMC9846108 DOI: 10.3389/fonc.2022.1071860] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/09/2022] [Indexed: 01/05/2023] Open
Abstract
Background In recent years, hepatic arterial infusion chemotherapy (HAIC) has gained popularity in the treatment of hepatocellular carcinoma. Although several studies have been published, no bibliometric analysis have been conducted on this topic. Objectives To understand the development status and future trends in the application of HAIC, we conducted bibliometric analysis to examine the cooperation and influence among countries, institutions, authors, and journals. Methods All relevant articles and reviews on the use of HAIC in HCC treatment were retrieved from the Web of Science database. A bibliometric analysis of countries, institutions, journals, authors, and keywords related to this field was performed using R and VOSviewer software. The main aspects analyzed were the research status and key fields of HAIC in HCC treatment. Results A total of 1026 articles published in 292 journals by 4937 authors from 959 institutions between 1974 and 2021 were retrieved. A rapid increase in articles published after 1990 was observed, which reached the peak in 2021. Japan had the most publications and citations. Yonsei University, Sun Yat-sen University, and Hiroshima University were the three leading institutions in research on this topic. Kwang-Hyub Han and Masatoshi Kudo have the greatest academic influence in this field. Most publications were made in the Hepato-Gastroenterology, whereas cancer had the most citations. The main aspects of HAIC treatment of HCC include HAIC and TACE, chemotherapy drug selection, HAIC and targeted therapy and immunotherapy, HAIC and surgery, and hepatotoxicity. Keywords such as FOLFOX, lenvatinib, hepatic arterial infusion chemotherapy are hot words in this field in recent years. Conclusion The research on the use of HAIC in the treatment of HCC has been on the rise. Currently, HAIC combined with targeted therapy or immunotherapy has attracted significant attention.
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Affiliation(s)
- Mei Li
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Kai Zhang
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Ji’an He
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Weihao Zhang
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Tianye Lv
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Li Wang
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Wenge Xing
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
| | - Haipeng Yu
- Department of Interventional Therapy, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute & Hospital, Tianjin, China
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Musa HH, Musa TH. A systematic and thematic analysis of the top 100 cited articles on mRNA vaccine indexed in Scopus database. Hum Vaccin Immunother 2022; 18:2135927. [PMID: 36328513 DOI: 10.1080/21645515.2022.2135927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The success of mRNA vaccines against SARS-CoV-2 implies that this technology can be applied to target any pathogen. However, the scientific production and research trends using the bibliometric method are still unknown. The top 100 most cited articles on mRNA vaccine research were obtained from the Scopus database from 1995 to 2021. Bibliometrix, an R-Package, and VOSviewer 1.6.11 were used for data analysis. There is a rapid growth in scientific outputs with a gradual increase in 2021. The United States produced 45 (45%) of the articles, followed by Germany with 15 (15%) and Israel with 10 (10%). The New England Journal of Medicine published the most papers in this field 13 (13%), followed by Nature 6(6%). Barney S. Graham was the most productive author among the top 100 most cited mRNA vaccine articles. University of Pennsylvania Perelman School of Medicine, US, was the top ranking institution, having 37 (37%). The visualization map clearly and spontaneously displayed the current state and research hot spots of mRNA research from a specific perspective. The most frequent keywords were COVID-19, vaccine, mRNA vaccine, mRNA, SARS-CoV-2, and immunogenicity, among others. A systematic review of the articles provided evidence that out of 100 articles, approximately 25 (25%) were focused on vaccine production and evaluation, followed by 26 (26%) in mRNA vaccine safety and efficacy, 23 (23%) were into mRNA vaccination, 23 (23%) considered risk factors associated with mRNA vaccination, while 8 (8%) of the articles covered the issue of mRNA vaccine delivery. In addition, 42% of the articles focused on COVID-19, 17% on cancer, 8% on influenza virus, 4% on COVID-19 and kidney disease, 3% COVID-19 and myocarditis, and 3% on rabies virus, among others. The findings of this systematic and thematic analysis provided the knowledge basis for further research on mRNA vaccines globally.
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Affiliation(s)
- Hassan H Musa
- CAS Key Laboratory of Pathogen Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.,Department of Medical Microbiology, Faculty of Medical Laboratory Sciences, University of Khartoum, Khartoum, Sudan
| | - Taha H Musa
- Biomedical Research Institute, Darfur University College, Nyala, Sudan.,Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, China
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Musa IH, Zamit I, Xu K, Boutouhami K, Qi G. A comprehensive bibliometric analysis on opinion mining and sentiment analysis global research output. J Inf Sci 2022. [DOI: 10.1177/01655515211061866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The rise of the Internet and social media (i.e. reviews, forum discussions, blogs and social networks) constituted an interesting source to detect user opinion trends. This study examines the global publication output on opinion mining and sentiment analysis from documents published in 2000 to 2020. Bibliometric indicators on the trends, most cited papers, authors, institutions, countries, funding agencies and research subject areas were independently screened and analysed using bibliometrix package in R. A total of 7603 eligible documents were identified from 2000 to 2020. The total number of citations for all publications was 129,251, with an average of 17.0 citations per publication. About 14,629 authors wrote those documents with 1.93 authors per document and a collaboration index of 1.98. The most prolific author was Cambria Erik, with 47 publications and h-index of 42. The leading countries for research were China with n = 824, India with n = 576 and the United States with n = 244 publications. Lecture Notes in Computer Science proceedings was the top-ranked venue for publications with n = 434, h-index of 32 and 4598 total citation scores. National Natural Science Foundation of China was the top-ranked funding agency for research, and most of the publications were computer science ( n = 6320) documents. The study provides an in-depth assessment of the landmark of the hot research topic and acknowledges the contribution of the most productive and active authors across different countries in the world. In addition, the findings could support the younger scholars in their future research direction and improve the efficiency in potential future research collaborations and projects.
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Affiliation(s)
- Ibrahim Hussein Musa
- School of Computer Science and Engineering, Southeast University, China; Key Laboratory of Computer Network and Information Integration, Ministry of Education, Southeast University, China
| | - Ibrahim Zamit
- Center for High Performance Computing, Shenzhen Institutes of Advanced Technology, Shenzhen, Guangdong, China
| | - Kang Xu
- School of Computer Science, Nanjing University of Posts and Telecommunications, China
| | - Khaoula Boutouhami
- School of Computer Science and Engineering, Southeast University, China; Key Laboratory of Computer Network and Information Integration, Ministry of Education, Southeast University, China
| | - Guilin Qi
- School of Computer Science and Engineering, Southeast University, China; Key Laboratory of Computer Network and Information Integration, Ministry of Education, Southeast University, China
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Zyoud SH. Global research on Clostridium difficile-associated diarrhoea: A visualized study. World J Gastroenterol 2022; 28:3720-3731. [PMID: 36161039 PMCID: PMC9372798 DOI: 10.3748/wjg.v28.i28.3720] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/12/2022] [Accepted: 06/26/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Clostridioides (Clostridium) difficile (C. difficile) is still the most common cause of healthcare-associated diarrhoea and is increasing in prevalence as a community-acquired infection. In addition, the emergence of antibiotic resistance in C. difficile can increase the likelihood of the disease developing and/or spreading.
AIM To provide an up-to-date picture of the trends in publications related to C. difficile infection, together with specific insights into hot-button issues in this field.
METHODS Publications on C. difficile infections in the field of microbiology between 2001 and 2020 were identified from the Scopus database and Reference Citation Analysis. Bibliometric indicators were determined, including the number and type of publications, countries, affiliations, funding agencies, journals and citation patterns. VOSviewer was used to determine research areas and hot-button issues by identifying recurring terms with a high relative occurrence in the title and abstract.
RESULTS A total of 8127 documents on ‘C. difficile-associated diarrhoea’ published between 2001 and 2020 were retrieved from the Scopus database. In the last decade, there has been a significant almost fourfold increase in the number of published papers on this topic. The United States was among the countries (44.11%) with the most publications, and the most involved institution was the University of Leeds in the United Kingdom (2.50%). Three clusters of research were identified and included ‘illness spectrum and severity, as well as the signs, symptoms and clinical pathogenesis of C. difficile’; ‘laboratory diagnosis and characterization of C. difficile’ and ‘risk factors for C. difficile infection’.
CONCLUSION This study contains the most up-to-date and comprehensive data ever compiled in this field. More international research and cross-institutional collaborations are needed to address more global C. difficile concerns and to benefit from greater sharing of expertise, which will result in higher quality or more effective studies in the future. Promising research avenues in the near future may draw the attention of relevant scientists and funding organizations and open up novel C. difficile infection–based diagnosis and treatment approaches.
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Affiliation(s)
- Sa'ed H Zyoud
- Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus 44839, Palestine
- Poison Control and Drug Information Center, College of Medicine and Health Sciences, An-Najah National University, Nablus 44839, Palestine
- Clinical Research Centre, An-Najah National University Hospital, Nablus 44839, Palestine
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Akintunde TY, Chen S, Musa TH, Amoo FO, Adedeji A, Ibrahim E, Tassang AE, Musa IH, Musa HH. Tracking the progress in COVID-19 and vaccine safety research - a comprehensive bibliometric analysis of publications indexed in Scopus database. Hum Vaccin Immunother 2021; 17:3887-3897. [PMID: 34613876 DOI: 10.1080/21645515.2021.1969851] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
INTRODUCTION COVID-19 pandemic public health emergency is one of the worse disease outbreaks in the history of infectious disease. The consequence has resulted in over 4 million deaths globally. Therefore, a more in-depth understanding of the dynamics of the disease, vaccine development, and safety has become crucial for the disease eradication. OBJECTIVE The study adopted bibliometric analysis to identify the global contribution in COVID-19 and Vaccine Safety and analyzed the current status, development, and research hotspots to reference for future research directions. METHODS Studies published between January 1, 2019 and July 11, 2021 were retrieved from the Scopus database. Data analysis and visualization were conducted using VOSviewer ver 1.6.6, Bibliometrix app. (Using R). RESULTS A total of 1827 publications with 12.14 average citations per document were identified. These publications were published in 796 journals by 10,243 authors (with 5.61 authors per document) from 80 countries/regions. About 33.75% of the researches were from the developed countries. The USA, China, and India were top contributors for scientific research on COVID-19 and vaccine safety. The "Vaccine" is the most productive journal with 58 articles. Li Y, NA NA, and Liu X were the top three prolific authors. Furthermore, "Human," "Coronavirus disease 2019," and "Drug safety," were the most common frontier topics. CONCLUSIONS Our analysis highlights the characteristics of the most influential articles on COVID-19 related to vaccine safety. The findings provided valuable insight into the scientific research progress in this domain and suggest scaling-up research and information dissemination on COVID-19 and vaccine safety.
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Affiliation(s)
- Tosin Yinka Akintunde
- Department of Sociology, School of Public Administration, Hohai University, Nanjing, China.,Department of Demography and Social Statistics, Faculty of Social Science, Obafemi Awolowo University, Ile-Ife, Nigeria.,Organization of African Academic Doctor (OAAD), Nairobi, Kenya
| | - Shaojun Chen
- Department of Sociology, School of Public Administration, Hohai University, Nanjing, China
| | - Taha Hussein Musa
- Organization of African Academic Doctor (OAAD), Nairobi, Kenya.,Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, Jiangsu Province, China.,Biomedical Research Institute, Darfur College, Nyala, Sudan
| | - Felix Oluseyi Amoo
- Organization of African Academic Doctor (OAAD), Nairobi, Kenya.,Institute for Peace and Strategic Studies, University of Ibadan, Ibadan, Nigeria
| | - Adekunle Adedeji
- Organization of African Academic Doctor (OAAD), Nairobi, Kenya.,Faculty of Humanities, North-West University, Mafikeng, South Africa.,Public Health, Hamburg University of Applied Sciences, Hamburg, Germany
| | - Elhakim Ibrahim
- Department of Demography and Social Statistics, Faculty of Social Science, Obafemi Awolowo University, Ile-Ife, Nigeria.,Organization of African Academic Doctor (OAAD), Nairobi, Kenya.,Department of Demography, College for Health, Community and Policy, The University of Texas at San Antonio, San Antonio, TX, USA
| | - Angwi Enow Tassang
- Department of Sociology, School of Public Administration, Hohai University, Nanjing, China.,Organization of African Academic Doctor (OAAD), Nairobi, Kenya
| | - Idriss Hussein Musa
- Organization of African Academic Doctor (OAAD), Nairobi, Kenya.,Biomedical Research Institute, Darfur College, Nyala, Sudan
| | - Hassan Hussein Musa
- Organization of African Academic Doctor (OAAD), Nairobi, Kenya.,Department of Medical Microbiology, Faculty of Medical Laboratory Sciences, University of Khartoum, Khartoum, Sudan
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