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Open-Access Journal
Minireviews
Basic Study
Retrospective Cohort Study
Masatsugu Ishii, Osamu Itano, Masahiro Shinoda, Minoru Kitago, Yuta Abe, Taizo Hibi, Hiroshi Yagi, Ayano Takeuchi, Hanako Tsujikawa, Tokiya Abe, Yuko Kitagawa 
World J Gastroenterol 26(7):725-739. Published online Feb 21, 2020. doi: 10.3748/wjg.v26.i7.725
Retrospective Study
Observational Study
Sofia Nene, Lorant Gonczi, Zsuzsanna Kurti, Isabelle Morin, Kelly Chavez, Christine Verdon, Jason Reinglas, Rita Kohen, Talat Bessissow, Waqqas Afif, Gary Wild, Ernest Seidman, Alain Bitton, Peter Laszlo Lakatos 
World J Gastroenterol 26(7):759-769. Published online Feb 21, 2020. doi: 10.3748/wjg.v26.i7.759
Case Report