title: Gastroenterology: a hypothetical case of rectal bleeding; incorporating a management self-test.
mesh_terms: D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001466:Barium Sulfate; D001706:Biopsy; D003108:Colonic Diseases / Q000175:diagnosis; D004724:Endoscopy; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D007441:Intubation, Gastrointestinal; D008875:Middle Aged; D009666:Nose; D012007:Rectum / Q000473:pathology; D012812:Sigmoidoscopy
chemical_list: D000900:Anti-Bacterial Agents; D001466:Barium Sulfate