BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Editorial
Opinion Review
Review
Massimo Giuseppe Colombo, Erkin Isakovich Musabaev, Umed Yusupovich Ismailov, Igor A Zaytsev, Alexander V Nersesov, Igor Anatoliyevich Anastasiy, Igor Alexandrovich Karpov, Olga A Golubovska, Kulpash S Kaliaskarova, Ravishankar AC, Sanjay Hadigal 
World J Gastroenterol 25(29):3897-3919. Published online Aug 7, 2019. doi: 10.3748/wjg.v25.i29.3897
Minireviews
Basic Study
Retrospective Cohort Study
Retrospective Study
Observational Study
Systematic Review