Value of clinical criteria to indicate a CT-FNA in the diagnosis of infected acute pancreatitis José A. González-González, Irma E. Calderón-Lozano, Héctor Maldonado-Garza, Eduardo Mendoza-Fuerte, Aldo A. Garza-Galindo, Dora A. García-Cantú

Complications in colon and rectal surgery. Early diagnosis and management Christine F. Kollmorgen, Santhat Nivatvongs

Pathophysiology of the Irritable Bowel Syndrome Emeran A. Mayer