Parra-Blanco Adolfo, Nicolás-Pérez David, Gimeno-García Antonio Z, Fu Kuang I, Hernández Noemi, Quintero Enrique
Department of Gastroenterology, Hospital Universitario de Canarias, La Laguna, Santa Cruz de Tenerife, Spain.
Gastrointest Endosc. 2007 Oct;66(4):859-61. doi: 10.1016/j.gie.2007.01.028. Epub 2007 Aug 24.