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Open-Access Journal
Guidelines
Tian Shen, Li Zhuang, Xiao-Dong Sun, Xiao-Sheng Qi, Zhi-Hui Wang, Rui-Dong Li, Wen-Xiu Chang, Jia-Yin Yang, Yang Yang, Shu-Sen Zheng, Xiao Xu 
World J Gastroenterol 26(27):3851-3864. Published online Jul 21, 2020. doi: 10.3748/wjg.v26.i27.3851
Review
Gianluca Businello, Carlo Alberto Dal Pozzo, Marta Sbaraglia, Luca Mastracci, Massimo Milione, Luca Saragoni, Federica Grillo, Paola Parente, Andrea Remo, Elena Bellan, Rocco Cappellesso, Gianmaria Pennelli, Mauro Michelotto, Matteo Fassan 
World J Gastroenterol 26(27):3865-3888. Published online Jul 21, 2020. doi: 10.3748/wjg.v26.i27.3865
Minireveiws
Basic Study
Keti Tsomaia, Leila Patarashvili, Nino Karumidze, Irakli Bebiashvili, Elza Azmaipharashvili, Irina Modebadze, Diana Dzidziguri, Marom Sareli, Sergey Gusev, Dimitri Kordzaia 
World J Gastroenterol 26(27):3899-3916. Published online Jul 21, 2020. doi: 10.3748/wjg.v26.i27.3899
Retrospective Study
Observational Study
Randomized Controlled Trial
Jian-Hai Guo, Shao-Xing Liu, Song Gao, Fu-Xin Kou, Xin Zhang, Di Wu, Xiao-Ting Li, Hui Chen, Xiao-Dong Wang, Peng Liu, Peng-Jun Zhang, Hai-Feng Xu, Guang Cao, Lin-Zhong Zhu, Ren-Jie Yang, Xu Zhu 
World J Gastroenterol 26(27):3975-3988. Published online Jul 21, 2020. doi: 10.3748/wjg.v26.i27.3975
Case Report