title: [AGA plenaries].
authors.affiliation: Jefatura de Enseñanza, Hospital General, S.S. Irapuato, Gto., México.
authors.forename: José Ramón
authors.initials: JR
authors.lastname: Nogueira de Rojas
mesh_terms: D003226:Congresses as Topic; D005762:Gastroenterology; D006801:Humans; D012955:Societies, Medical; D014481:United States