title: Intrathecal morphine in open heart surgery.
mesh_terms: D006348:Cardiac Surgical Procedures / Q000379:methods; D006801:Humans; D007278:Injections, Spinal; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D009020:Morphine