title: Multiple and single-dose kinetics of morphine in patients with postoperative pain.
mesh_terms: D006801:Humans; D007700:Kinetics; D009020:Morphine / Q000008:administration & dosage / Q000378:metabolism* / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D009020:Morphine