BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Review
Tsinrong Lee, Thomas Zheng Jie Teng, Vishal G Shelat 
World J Gastrointest Endosc 13(12):571-592. Published online Dec 16, 2021. doi: 10.4253/wjge.v13.i12.571
Minireviews
Zhi-Yan Fu, Michel Kmeid, Mahmoud Aldyab, Stephen M Lagana, Hwajeong Lee 
World J Gastrointest Endosc 13(12):593-606. Published online Dec 16, 2021. doi: 10.4253/wjge.v13.i12.593
Ângelo Zambam de Mattos, Carlos Terra, Alberto Queiroz Farias, Paulo Lisboa Bittencourt, Alliance of Brazilian Centers for Cirrhosis Care–the ABC Group 
World J Gastrointest Endosc 13(12):628-637. Published online Dec 16, 2021. doi: 10.4253/wjge.v13.i12.628
Retrospective Study
Observational Study
Vincenzo Occhipinti, Paola Soriani, Francesco Bagolini, Valentina Milani, Emanuele Rondonotti, Maria Laura Annunziata, Flaminia Cavallaro, Sara Vavassori, Maurizio Vecchi, Luca Pastorelli, Gian Eugenio Tontini 
World J Gastrointest Endosc 13(12):659-672. Published online Dec 16, 2021. doi: 10.4253/wjge.v13.i12.659
Systematic Reviews
Write to the Help Desk