title: Intrathecal morphine for postoperative pain relief.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001285:Atropine / Q000627:therapeutic use; D004305:Dose-Response Relationship, Drug; D006801:Humans; D007278:Injections, Spinal; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D009020:Morphine; D001285:Atropine