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Roberto Valente, Gabriele Capurso, Paola Pierantognetti, Elsa Iannicelli, Matteo Piciucchi, Adriana Romiti, Paolo Mercantini, Alberto Larghi, Giulia Francesca Federici, Viola Barucca, Maria Falchetto Osti, Emilio Di Giulio, Vincenzo Ziparo, Gianfranco Delle Fave 
World J Gastrointest Oncol 4(2):22-25. Published online Feb 15, 2012. doi: 10.4251/wjgo.v4.i2.22