title: Gastric and duodenal ulceration associated with aspirin ingestion.
mesh_terms: D000328:Adult; D000368:Aged; D001241:Aspirin / Q000009:adverse effects*; D004381:Duodenal Ulcer / Q000139:chemically induced* / Q000175:diagnosis; D004724:Endoscopy; D005260:Female; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D013276:Stomach Ulcer / Q000139:chemically induced* / Q000175:diagnosis
chemical_list: D001241:Aspirin