De Francesco Vincenzo, Ierardi Enzo, Stoppino Giuseppe, Corsi Fabrizio, D'Agnessa Maria Rosaria, Castriota Michele, Hassan Cesare, Cianci Francesco, Zullo Angelo
Section of Gastroenterology, Department of Medical Sciences, University of Foggia, Ospedali Riuniti, Foggia, Italy.
Intern Emerg Med. 2012 Feb;7(1):49-52. doi: 10.1007/s11739-011-0564-0. Epub 2011 Mar 23.