title: [Symposium on massive hemorrhages from the digestive tube. Introduction].
mesh_terms: D000783:Aneurysm / Q000150:complications; D003226:Congresses as Topic; D004945:Esophagoscopy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery; D005773:Gastroscopy; D006801:Humans; D011859:Radiography
vernacular_title: Simposio su le grandi emorragie del tubo digerente. Introduzione