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Review
Minireviews
Franco Scaldaferri, Viviana Gerardi, Francesca Mangiola, Loris Riccardo Lopetuso, Marco Pizzoferrato, Valentina Petito, Alfredo Papa, Jovana Stojanovic, Andrea Poscia, Giovanni Cammarota, Antonio Gasbarrini 
World J Gastroenterol 22(24):5505-5511. Published online Jun 28, 2016. doi: 10.3748/wjg.v22.i24.5505
Basic Study
Zhong-Hou Rong, Hong-Yuan Chen, Xin-Xing Wang, Zhi-Yi Wang, Guo-Zhe Xian, Bang-Zhen Ma, Cheng-Kun Qin, Zhen-Hai Zhang 
World J Gastroenterol 22(24):5540-5547. Published online Jun 28, 2016. doi: 10.3748/wjg.v22.i24.5540
Case Control Study
Retrospective Cohort Study
Retrospective Study
Observational Study
Case Report