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Giammaria Fiorentini, Camillo Aliberti, Donatella Sarti, Paolo Coschiera, Massimo Tilli, Luca Mulazzani, Paolo Giordani, Francesco Graziano, Alfonso Marqués Gonzalez, Raul García Marcos, Fernando Gómez Mugnoz, Maurizio Cantore, Stefano Ricci, Vincenzo Catalano, Andrea Mambrini 
World J Gastrointest Oncol 7(6):47-54. Published online Jun 15, 2015. doi: 10.4251/wjgo.v7.i6.47