title: An unusual cause of gastrointestinal bleeding in a young girl.
authors.affiliation: Department of Dermatological Sciences, University of Florence, Florence, Italy.
authors.forename: Emiliano
authors.initials: E
authors.lastname: Antiga
authors.forename: Lucilla
authors.initials: L
authors.lastname: Melani
authors.forename: Marzia
authors.initials: M
authors.lastname: Caproni
authors.forename: Paolo
authors.initials: P
authors.lastname: Fabbri
mesh_terms: D002648:Child; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006396:Hematemesis / Q000209:etiology; D006801:Humans; D008551:Melena / Q000209:etiology; D011561:Pseudoxanthoma Elasticum / Q000150:complications*