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Minireviews
Ludovica Venezia, Andrea Michielan, Giovanna Condino, Emanuele Sinagra, Elisa Stasi, Marianna Galeazzi, Carlo Fabbri, Andrea Anderloni 
World J Gastrointest Endosc 12(2):60-71. Published online Feb 16, 2020. doi: 10.4253/wjge.v12.i2.60
Retrospective Cohort Study
Benjamin Cherng Hann Yip, Hossain Sayeed Sajjad, Jie-Xun Wang, Constantinos P Anastassiades 
World J Gastrointest Endosc 12(2):72-82. Published online Feb 16, 2020. doi: 10.4253/wjge.v12.i2.72