An unusual case of intestinal obstruction beyond the proximal ileum due to the internal bumper of a percutaneous endoscopic gastrostomy S. Moragón-Ledesma; A.A. Gurjián-Arena; F. Díaz-Fontenla; F. Galeano-Valle; P. Demelo-Rodríguez;

Approach to the adult patient with chronic diarrhea: A literature review O. Gómez-Escudero; J.M. Remes-Troche;