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Open-Access Journal
Opinion Review
Tanya Olszewski, Andrew D Grubic, Shahin Ayazi, Blair A Jobe 
World J Gastrointest Surg 12(5):197-202. Published online May 27, 2020. doi: 10.4240/wjgs.v12.i5.197
Antonio Caycedo-Marulanda, Sunil Patel, Shaila Merchant, Carl Brown 
World J Gastrointest Surg 12(5):203-207. Published online May 27, 2020. doi: 10.4240/wjgs.v12.i5.203
Review
Conor Keady, Daniel Hechtl, Myles Joyce 
World J Gastrointest Surg 12(5):208-225. Published online May 27, 2020. doi: 10.4240/wjgs.v12.i5.208
Basic Study
Retrospective Study
Dolores Thea Müller, Elena Schulte, Benjamin Babic, Laura Knepper, Claudia Fuchs, Wolfgang Schröder, Christiane J Bruns, Jessica M Leers, Hans Friedrich Fuchs 
World J Gastrointest Surg 12(5):236-246. Published online May 27, 2020. doi: 10.4240/wjgs.v12.i5.236
Systemic Reviews
Jolene Si Min Wong, Grace Hwei Ching Tan, Claramae Shulyn Chia, Chin-Ann Johnny Ong, Melissa Ching Ching Teo 
World J Gastrointest Surg 12(5):247-258. Published online May 27, 2020. doi: 10.4240/wjgs.v12.i5.247
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