title: Sacral epidural analgesia for operations on the rectum.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000767:Anesthesia, Epidural / Q000379:methods*; D005260:Female; D006484:Hemorrhoids / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D012003:Rectal Fistula / Q000601:surgery; D012007:Rectum / Q000601:surgery*