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Open-Access Journal
Guidelines
Xiao Xu, Shu-Sen Zheng, Yang Yang, Jia-Yin Yang, Wen-Xiu Chang, Rui-Dong Li, Zhi-Hui Wang, Xiao-Sheng Qi, Xiao-Dong Sun, Li Zhuang, Tian Shen 
World J Gastroenterol 26(27):3851-3864. Published online Jul 21, 2020. doi: 10.3748/wjg.v26.i27.3851
Review
Matteo Fassan, Mauro Michelotto, Gianmaria Pennelli, Rocco Cappellesso, Elena Bellan, Andrea Remo, Paola Parente, Federica Grillo, Luca Saragoni, Massimo Milione, Luca Mastracci, Marta Sbaraglia, Carlo Alberto Dal Pozzo, Gianluca Businello 
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