title: Letter: Danger of aspirin during pelvic irradiation.
mesh_terms: D001241:Aspirin / Q000009:adverse effects* / Q000627:therapeutic use; D003967:Diarrhea / Q000188:drug therapy / Q000209:etiology; D006801:Humans; D010386:Pelvic Neoplasms / Q000532:radiotherapy; D011448:Prostaglandin Antagonists / Q000627:therapeutic use; D011832:Radiation Injuries / Q000188:drug therapy*
chemical_list: D011448:Prostaglandin Antagonists; D001241:Aspirin