title: Gastrointestinal bleeding from an obscure cause.
authors.affiliation: Baylor College of Medicine, Houston, Texas, USA.
authors.forename: Vikram
authors.initials: V
authors.lastname: Malladi
mesh_terms: D004386:Duodenum / Q000098:blood supply*; D016145:Endoscopy, Digestive System; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014648:Varicose Veins / Q000150:complications* / Q000473:pathology*