BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Minireviews
Xiaoqiang Qi, Ming Yang, Joseph Stenberg, Rahul Dey, Leslie Fogwe, Muhammad Shawkat Alam, Eric T Kimchi, Kevin F Staveley-O'Carroll, Guangfu Li 
World J Gastroenterol 26(48):7603-7618. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7603
Basic Study
Case Control Study
Retrospective Cohort Study
Heather A Smith, Andrew D Scarffe, Nicole Brunet, Cait Champion, Kami Kandola, Alisha Tessier, Robin Boushey, Craig Kuziemsky 
World J Gastroenterol 26(48):7652-7663. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7652
Retrospective Study
Observational Study
Ai-Lin Wei, Mao Li, Guo-Qing Li, Xuan Wang, Wei-Ming Hu, Zhen-Lu Li, Jue Yuan, Hong-Ying Liu, Li-Li Zhou, Ka Li, Ang Li, Mei Rosemary Fu 
World J Gastroenterol 26(48):7679-7692. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7679
Systematic Reviews
Luis Antonio Díaz, Francisco Idalsoaga, Macarena Cannistra, Roberto Candia, Daniel Cabrera, Francisco Barrera, Alejandro Soza, Rondell Graham, Arnoldo Riquelme, Marco Arrese, Michael D Leise, Juan Pablo Arab 
World J Gastroenterol 26(48):7693-7706. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7693
Case Report