title: About 2,543 cases of gastro-duodenal peptic ulcers.
authors.forename: E B
authors.initials: EB
authors.lastname: MONTENEGRO
authors.forename: J C
authors.initials: JC
authors.lastname: ARANHA
mesh_terms: D001699:Biometry; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000706:statistics & numerical data*
vernacular_title: Sôbre 2,543 casos de úlceras pépticas gastro-duodenais.