title: Acute gastrointestinal ulceration with open-heart surgery and aortic valve disease.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001022:Aortic Valve Insufficiency / Q000150:complications*; D001024:Aortic Valve Stenosis / Q000150:complications*; D006348:Cardiac Surgical Procedures; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000150:complications; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology*; D011183:Postoperative Complications; D012737:Sex Factors; D014859:Warfarin / Q000009:adverse effects
chemical_list: D014859:Warfarin