title: Angiography as a diagnostic tool in gastrointestinal bleeding.
mesh_terms: D000792:Angiography / Q000009:adverse effects; D001466:Barium Sulfate; D003937:Diagnosis, Differential; D004241:Diverticulum, Colon / Q000000981:diagnostic imaging; D004724:Endoscopy; D005263:Femoral Artery; D006471:Gastrointestinal Hemorrhage / Q000150:complications / Q000000981:diagnostic imaging*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000000981:diagnostic imaging; D013679:Technology, Radiologic
chemical_list: D001466:Barium Sulfate