Heartburn according to Rome II in Spanish-Mexico: gastroesophageal reflux must be ruled out Max Schmulson

Pyloric Gland Adenoma: Case Report Gutiérrez-Grobe, Gavilanes-Espinar, Uribe, Kobashi-Margáin, Méndez-Sánchez

Constipation and colonic transit in Mexican patients Max Schmulso