Gastroscopic findings and fecal blood loss following aspirin administration.
D000017:ABO Blood-Group System; D000328:Adult; D001241:Aspirin / Q000009:adverse effects*; D001789:Blood Group Antigens; D002859:Chromium Isotopes; D004912:Erythrocytes; D005243:Feces / Q000032:analysis; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced*; D005773:Gastroscopy; D006801:Humans; D009780:Occult Blood; D011516:Prothrombin / Q000032:analysis; D012459:Salicylates / Q000097:blood
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D002859:Chromium Isotopes; D012459:Salicylates; D011516:Prothrombin; D001241:Aspirin