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Basic Study
Francisco Rodríguez-Frías, Maria Buti, Rafael Esteban, Josep Quer, Rosa Maria López, Mar Riveiro-Barciela, Carolina González, Maria Francesca Cortese, Irene Belmonte, Josep Gregori, David Tabernero, Rosario Casillas 
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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