title: Prevention of aspirin-induced fecal blood loss in men with prostaglandin E2.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D001241:Aspirin / Q000037:antagonists & inhibitors*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006471:Gastrointestinal Hemorrhage / Q000517:prevention & control*; D006801:Humans; D008297:Male; D011458:Prostaglandins E / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D011458:Prostaglandins E; D001241:Aspirin