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Open-Access Journal
Minireviews
Fernanda de Oliveira Lemos, Rodrigo M Florentino, Antônio Carlos Melo Lima Filho, Marcone Loiola dos Santos, M Fatima Leite 
World J Gastroenterol 25(44):6483-6494. Published online Nov 28, 2019. doi: 10.3748/wjg.v25.i44.6483
Basic Study
Seol-Hee Han, Ji-Su Mo, Won-Cheol Park, Soo-Cheon Chae 
World J Gastroenterol 25(44):6495-6507. Published online Nov 28, 2019. doi: 10.3748/wjg.v25.i44.6495
Hong Li, Xue-Ke Zhao, Yi-Ju Cheng, Quan Zhang, Jun Wu, Shuang Lu, Wei Zhang, Yang Liu, Ming-Yu Zhou, Ya Wang, Jing Yang, Ming-Liang Cheng 
World J Gastroenterol 25(44):6527-6540. Published online Nov 28, 2019. doi: 10.3748/wjg.v25.i44.6527
Retrospective Study
Tu-Nan Yu, Ying-Ying Mao, Fang-Qiang Wei, Hui Liu 
World J Gastroenterol 25(44):6541-6550. Published online Nov 28, 2019. doi: 10.3748/wjg.v25.i44.6541
Observational Study
Systematic Review
Sara Nikolic, Ana Dugic, Corinna Steiner, Apostolos V Tsolakis, Ida Marie Haugen Löfman, J-Matthias Löhr, Miroslav Vujasinovic 
World J Gastroenterol 25(44):6561-6570. Published online Nov 28, 2019. doi: 10.3748/wjg.v25.i44.6561
Case Report
Jian Wang, Fang Yang, Wei-Qun Ao, Chang Liu, Wen-Ming Zhang, Fang-Yi Xu 
World J Gastroenterol 25(44):6571-6578. Published online Nov 28, 2019. doi: 10.3748/wjg.v25.i44.6571
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