BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Opinion Review
Maja Cigrovski Berkovic, Danko Mikulic, Ines Bilic-Curcic, Anna Mrzljak 
World J Gastroenterol 27(14):1362-1368. Published online Apr 14, 2021. doi: 10.3748/wjg.v27.i14.1362
Review
Minireviews
Alessio Fasano, Annamaria Landolfi, Matteo Delli Carri, Meritxell Pujolassos Tanyà, Giorgia Venutolo, Jacopo Troisi 
World J Gastroenterol 27(14):1406-1418. Published online Apr 14, 2021. doi: 10.3748/wjg.v27.i14.1406
Basic Study
Marwa Matboli, Amany H Hasanin, Reham Hussein, Sarah El-Nakeep, Eman K Habib, Rawan Ellackany, Lobna A Saleh 
World J Gastroenterol 27(14):1435-1450. Published online Apr 14, 2021. doi: 10.3748/wjg.v27.i14.1435
Retrospective Cohort Study
Sarah A Malik, Chencan Zhu, Jinyu Li, Joseph F LaComb, Paula I Denoya, Igor Kravets, Joshua D Miller, Jie Yang, Melissa Kramer, W Richard McCombie, Charles E Robertson, Daniel N Frank, Ellen Li 
World J Gastroenterol 27(14):1465-1482. Published online Apr 14, 2021. doi: 10.3748/wjg.v27.i14.1465
Retrospective Study
Aleksandra Glapa-Nowak, Mariusz Szczepanik, Barbara Iwańczak, Jarosław Kwiecień, Anna Barbara Szaflarska-Popławska, Urszula Grzybowska-Chlebowczyk, Marcin Osiecki, Marcin Dziekiewicz, Andrzej Stawarski, Jarosław Kierkuś, Tomasz Banasiewicz, Aleksandra Banaszkiewicz, Jarosław Walkowiak 
World J Gastroenterol 27(14):1483-1496. Published online Apr 14, 2021. doi: 10.3748/wjg.v27.i14.1483
Observational Study
Yan Xue, Meng Zhang, Tao Li, Feng Liu, Li-Xin Zhang, Xiao-Ping Fan, Bao-Hua Yang, Lei Wang 
World J Gastroenterol 27(14):1497-1506. Published online Apr 14, 2021. doi: 10.3748/wjg.v27.i14.1497
Meta-Analysis
Jun-Zhou Zhao, Lin-Lan Qiao, Zhao-Qing Du, Jia Zhang, Meng-Zhou Wang, Tao Wang, Wu-Ming Liu, Lin Zhang, Jian Dong, Zheng Wu, Rong-Qian Wu 
World J Gastroenterol 27(14):1507-1523. Published online Apr 14, 2021. doi: 10.3748/wjg.v27.i14.1507
Write to the Help Desk