Aspirin and the stomach.
D001241:Aspirin / Q000008:administration & dosage* / Q000009:adverse effects; D004334:Drug Administration Schedule; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced / Q000517:prevention & control*; D006801:Humans; D013276:Stomach Ulcer / Q000139:chemically induced / Q000517:prevention & control*
D001241:Aspirin