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Opinion Review
Jeremy Meyer, Surennaidoo Naiken, Niki Christou, Emilie Liot, Christian Toso, Nicolas Christian Buchs, Frédéric Ris 
World J Gastroenterol 25(34):5017-5025. Published online Sep 14, 2019. doi: 10.3748/wjg.v25.i34.5017
Diane Lorenzo, Vinciane Rebours, Frédérique Maire, Maxime Palazzo, Jean-Michel Gonzalez, Marie-Pierre Vullierme, Alain Aubert, Pascal Hammel, Philippe Lévy, Louis de Mestier 
World J Gastroenterol 25(34):5082-5096. Published online Sep 14, 2019. doi: 10.3748/wjg.v25.i34.5082
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