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Opinion Review
Review
Zu-Yi Ma, Yuan-Feng Gong, Hong-Kai Zhuang, Zi-Xuan Zhou, Shan-Zhou Huang, Yi-Ping Zou, Bo-Wen Huang, Zhong-Hai Sun, Chuan-Zhao Zhang, Yun-Qiang Tang, Bao-Hua Hou 
World J Gastroenterol 26(19):2305-2322. Published online May 21, 2020. doi: 10.3748/wjg.v26.i19.2305
Minireviews
Basic Study
Clinical And Translational Research
Retrospective Study
Observational Study
Panyavee Pitisuttithum, Wah-Kheong Chan, George Boon-Bee Goh, Jian-Gao Fan, Myeong Jun Song, Phunchai Charatcharoenwitthaya, Ajay Duseja, Yock-Young Dan, Kento Imajo, Atsushi Nakajima, Khek-Yu Ho, Khean-Lee Goh, Vincent Wai-Sun Wong, Sombat Treeprasertsuk 
World J Gastroenterol 26(19):2416-2426. Published online May 21, 2020. doi: 10.3748/wjg.v26.i19.2416
Systematic Reviews
Case Report