title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 51-1992. A 78-year-old woman with recurrent gastrointestinal bleeding after several intra-abdominal vascular operations.
mesh_terms: D000368:Aged; D000925:Anticoagulants / Q000009:adverse effects; D001012:Aorta, Abdominal / Q000601:surgery; D001807:Blood Vessel Prosthesis / Q000009:adverse effects*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D007077:Ileal Diseases / Q000473:pathology*; D007082:Ileum / Q000473:pathology; D014456:Ulcer / Q000473:pathology*
chemical_list: D000925:Anticoagulants