Guarner-Argente Carlos, Gomez-Oliva Cristina, Poca Maria, Sainz Sergio, Marinello Franco G, Villanueva Candid, Guarner Carlos
Endoscopy Unit, Hospital de la Santa Creu i Sant Pau. Barcelona, Spain.
Gastrointest Endosc. 2010 Dec;72(6):1264-5; discussion 1266. doi: 10.1016/j.gie.2010.05.006. Epub 2010 Jul 13.