title: [In memoriam for academicians who have passed away: Roberto Hernández de la Portilla (1920-1989)].
authors.forename: E
authors.initials: E
authors.lastname: Barroso-Villegas
mesh_terms: D005762:Gastroenterology / Q000266:history; D049673:History, 20th Century; D008800:Mexico
vernacular_title: A la memoria de académicos fallecidos: Roberto Hernández de la Portilla (1920-1989).