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Open-Access Journal
Review
Benedikt Simbrunner, Mattias Mandorfer, Michael Trauner, Thomas Reiberger 
World J Gastroenterol 25(39):5897-5917. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.5897
Basic Study
Alessia Di Silvestre, Marianna Lucafò, Letizia Pugnetti, Matteo Bramuzzo, Gabriele Stocco, Egidio Barbi, Giuliana Decorti 
World J Gastroenterol 25(39):5918-5925. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.5918
Mohamed T Khayyal, Walaa Wadie, Enas A Abd El-Haleim, Kawkab A Ahmed, Olaf Kelber, Ramy M Ammar, Heba Abdel-Aziz 
World J Gastroenterol 25(39):5926-5935. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.5926
Dong Do You, Suk Joon Cho, Ok-Hee Kim, Jin Sook Song, Kyu-Seok Hwang, Sang Chul Lee, Kee-Hwan Kim, Ho Joong Choi, Ha-Eun Hong, Haeyeon Seo, Tae Ho Hong, Jung Hyun Park, Tae Yoon Lee, Joseph Ahn, Jae-Kyung Jung, Kwan-Young Jung, Say-June Kim 
World J Gastroenterol 25(39):5936-5952. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.5936
Li-Li Zhou, Yan Jiao, Hong-Mei Chen, Li-Hua Kang, Qi Yang, Jing Li, Meng Guan, Ge Zhu, Fei-Qi Liu, Shuang Wang, Xue Bai, Yan-Qiu Song 
World J Gastroenterol 25(39):5973-5990. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.5973
Retrospective Study
Melissa Frizziero, Xin Wang, Bipasha Chakrabarty, Alexa Childs, Tu V Luong, Thomas Walter, Mohid S Khan, Meleri Morgan, Adam Christian, Mona Elshafie, Tahir Shah, Annamaria Minicozzi, Wasat Mansoor, Tim Meyer, Angela Lamarca, Richard A Hubner, Juan W Valle, Mairéad G McNamara 
World J Gastroenterol 25(39):5991-6005. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.5991
Qian Feng, Cheng Li, Sheng Zhang, Chun-Lu Tan, Gang Mai, Xu-Bao Liu, Yong-Hua Chen 
World J Gastroenterol 25(39):6006-6015. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.6006
Systematic Review
Han-Chun Huang, Jin Bian, Yi Bai, Xin Lu, Yi-Yao Xu, Xin-Ting Sang, Hai-Tao Zhao 
World J Gastroenterol 25(39):6016-6024. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.6016
Meta-Analysis
Xiao-Bei Si, Xu-Min Zhang, Shuai Wang, Yu Lan, Shuo Zhang, Lin-Yu Huo 
World J Gastroenterol 25(39):6025-6040. Published online Oct 21, 2019. doi: 10.3748/wjg.v25.i39.6025
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