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Basic Study
Rosario Casillas, David Tabernero, Josep Gregori, Irene Belmonte, Maria Francesca Cortese, Carolina González, Mar Riveiro-Barciela, Rosa Maria López, Josep Quer, Rafael Esteban, Maria Buti, Francisco Rodríguez-Frías 
World J Gastroenterol 24(6):680-692. Published online Feb 14, 2018. doi: 10.3748/wjg.v24.i6.680
Retrospective Study
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