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Minireviews
Chen Liang, Kazuhiro Takahashi, Kinji Furuya, Nobuhiro Ohkohchi, Tatsuya Oda 
World J Gastroenterol 28(9):897-908. Published online Mar 7, 2022. doi: 10.3748/wjg.v28.i9.897
Clara Benedetta Conti, Giacomo Mulinacci, Raffaele Salerno, Marco Emilio Dinelli, Roberto Grassia 
World J Gastroenterol 28(9):909-917. Published online Mar 7, 2022. doi: 10.3748/wjg.v28.i9.909
Basic Study
Retrospective Cohort Study
Yonghoon Choi, Nayoung Kim, Ki Wook Kim, Hyeong Ho Jo, Jaehyung Park, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Dong Ho Lee, Hyeon Jeong Oh, Hye Seung Lee, Young Suk Park, Sang-Hoon Ahn, Yun-Suhk Suh, Do Joong Park, Hyung-Ho Kim, Ji-Won Kim, Jin Won Kim, Keun-Wook Lee, Won Chang, Ji Hoon Park, Yoon Jin Lee, Kyoung Ho Lee, Young Hoon Kim 
World J Gastroenterol 28(9):933-947. Published online Mar 7, 2022. doi: 10.3748/wjg.v28.i9.933
Retrospective Study
Zhi-Peng Liu, Wei-Yue Chen, Yan-Qi Zhang, Yan Jiang, Jie Bai, Yu Pan, Shi-Yun Zhong, Yun-Ping Zhong, Zhi-Yu Chen, Hai-Su Dai 
World J Gastroenterol 28(9):948-960. Published online Mar 7, 2022. doi: 10.3748/wjg.v28.i9.948
Observational Study
Laura Sirmai, Anne-Laure Pelletier, Nathalie Gault, Camille Zallot, Guillaume Bouguen, Dominique Bouchard, Pascale Roland Nicaise, Marine Peyneau, Sandrine Sironneau, Marcelo De Carvalho Bittencourt, Antoine Petitcollin, Pedro Fernandez, Xavier Roblin, Laurent Siproudhis, Laurent Abramowitz 
World J Gastroenterol 28(9):961-972. Published online Mar 7, 2022. doi: 10.3748/wjg.v28.i9.961
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