BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Review
Basic Study
Case Control Study
Retrospective Cohort Study
Nicha Wongjarupong, Gabriela M Negron-Ocasio, Roongruedee Chaiteerakij, Benyam D Addissie, Essa A Mohamed, Kristin C Mara, William S Harmsen, J Paul Theobald, Brian E Peters, Joseph G Balsanek, Melissa M Ward, Nasra H Giama, Sudhakar K Venkatesh, Denise M Harnois, Michael R Charlton, Hiroyuki Yamada, Alicia Algeciras-Schimnich, Melissa R Snyder, Terry M Therneau, Lewis R Roberts 
World J Gastroenterol 24(12):1321-1331. Published online Mar 28, 2018. doi: 10.3748/wjg.v24.i12.1321
Retrospective Study
Clinical Trials Study
Observational Study
Christian Rupp, Theresa Hippchen, Manuel Neuberger, Peter Sauer, Jan Pfeiffenberger, Wolfgang Stremmel, Daniel Nils Gotthardt, Arianeb Mehrabi, Karl-Heinz Weiss 
World J Gastroenterol 24(12):1353-1360. Published online Mar 28, 2018. doi: 10.3748/wjg.v24.i12.1353
Randomized Clinical Trial
Lai Wei, Fu-Sheng Wang, Ming-Xiang Zhang, Ji-Dong Jia, Alexey A Yakovlev, Wen Xie, Eduard Burnevich, Jun-Qi Niu, Yong Jin Jung, Xiang-Jun Jiang, Min Xu, Xin-Yue Chen, Qing Xie, Jun Li, Jin-Lin Hou, Hong Tang, Xiao-Guang Dou, Yash Gandhi, Wen-Hua Hu, Fiona McPhee, Stephanie Noviello, Michelle Treitel, Ling Mo, Jun Deng 
World J Gastroenterol 24(12):1361-1372. Published online Mar 28, 2018. doi: 10.3748/wjg.v24.i12.1361