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World Journal of Gastroenterology (World J Gastroenterol, WJG, print ISSN 1007-9327, online ISSN 2219-2840, DOI: 10.3748) is a peer-reviewed open access (OA) medical journal. WJG was established on October 1, 1995. It is published weekly on the 7th, 14th, 21st, and 28th each month. The WJG Editorial Board consists of 1353 experts in gastroenterology and hepatology from 68 countries.


The primary task of WJG is to rapidly publish high-quality original articles, reviews, and commentaries in the fields of gastroenterology,  hepatology, gastrointestinal endoscopy,  gastrointestinal surgery,  hepatobiliary surgery, gastrointestinal oncology, gastrointestinal radiation oncology, gastrointestinal imaging,  gastrointestinal interventional  therapy, gastrointestinal infectious diseases, gastrointestinal  pharmacology, gastrointestinal pathophysiology, gastrointestinal pathology,  evidence-based medicine in gastroenterology, pancreatology, gastrointestinal  laboratory medicine, gastrointestinal molecular biology, gastrointestinal  immunology,  gastrointestinal microbiology,  gastrointestinal genetics, gastrointestinal translational medicine,  gastrointestinal diagnostics, and gastrointestinal therapeutics. WJG is dedicated to become an influential and prestigious journal in gastroenterology and hepatology, to promote the development of above disciplines, and to improve the diagnostic and therapeutic skill and expertise of clinicians.


WJG is published by Baishideng Publishing Group (BPG) in both electronic and online forms.  All WJG articles are published in WJG website and PubMed Central. The major advantages of OA journals are faster release and delivery, no page or graph restrictions, and increased visibility, usage and impact. Full-text PDF articles and electronic/online versions are freely available to global readers. After the paper is published, the author(s) can obtain high-quality PDF files, which contain the journal cover, a list of editorial board members, table of contents, text, and back cover of the journal.


WJG is now indexed in Current Contents/Clinical Medicine, Science Citation Index Expanded (also known as SciSearch), Journal Citation Reports, Index Medicus, MEDLINE, PubMed, PubMed Central, and Digital Object Identifier. According to the 2012 ISI Journal Citation Reports, WJG has an impact factor of 2.547 (ranking the 34th among 74 journals in gastroenterology and hepatology), total cites of 19145 (6/74), current articles of 944 (1/74), and Eigenfactor score of 0.06035 (6/74).


BPG has a strong professional editorial team composed of editorial board members, editors-in-chief, science editors, language editors, and electronic editors. BPG currently publishes 43 OA clinical medical journals, including 42 in English, has a total of 15, 471 editorial board members or peer reviewers, and is a world first-class publisher.



World Journal of Gastroenterology



October 1, 1995



Damian Garcia-Olmo, MD, PhD, Doctor, Professor, Surgeon, Department of Surgery, Universidad Autonoma de Madrid; Department of General Surgery, Fundacion Jimenez Diaz University Hospital, Madrid 28040, Spain


Saleh A Naser, PhD, Editor-in-Chief, Professor, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, United States


Stephen C Strom, PhD, Professor, Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Stockholm 141-86, Sweden


Andrzej S Tarnawski, DSc, MD, PhD, Professor, Chief Gastroenterology, VA Long Beach Health Care System, University of California, Long Beach, CA 90822, United States



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All articles published in this journal represent the viewpoints of the authors except where indicated otherwise.