title: Duodenal ulcer with identical localization in monovular twins.
authors.forename: N
authors.initials: N
authors.lastname: PACILLI
mesh_terms: D006801:Humans; D010437:Peptic Ulcer; D014427:Twins; D014430:Twins, Monozygotic
keywords: PEPTIC ULCER; TWINS/uniovular
vernacular_title: Ulcera duodenale ad identica localizzazione in gemelli monovulari.