Puga Manuel, Gonzalez-Ballina Enrique, Rivas-Moral Laura
Digestive Diseases Service, Complexo Hospitalario Universitario de Pontevedra, Pontevedra, Spain.
Clin Gastroenterol Hepatol. 2015 Sep;13(9):A25-6. doi: 10.1016/j.cgh.2015.05.011. Epub 2015 May 12.