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Open-Access Journal
Editorial
Simone Sibio, Cristina Fiorani, Carmine Stolfi, Andrea Divizia, Roberto Pezzuto, Fabrizio Montagnese, Giulia Bagaglini, Paolo Sammartino, Giuseppe Sigismondo Sica 
World Journal of Gastrointestinal Surgery 7(9):178-184. Published online Sep 27, 2015. doi: 10.4240/wjgs.v7.i9.178
Minireviews
Basic Study
Case Control Study
Fernando de la Portilla, Arantxa Calero-Lillo, Rosa M Jiménez-Rodríguez, Maria L Reyes, Manuela Segovia-González, María Victoria Maestre, Ana M García-Cabrera 
World Journal of Gastrointestinal Surgery 7(9):203-207. Published online Sep 27, 2015. doi: 10.4240/wjgs.v7.i9.203
Retrospective Study
Prospective Study
Case Report