title: Controlled release morphine.
mesh_terms: D003692:Delayed-Action Preparations; D006801:Humans; D009020:Morphine / Q000008:administration & dosage*; D010146:Pain / Q000188:drug therapy*; D010149:Postoperative Pain / Q000188:drug therapy
chemical_list: D003692:Delayed-Action Preparations; D009020:Morphine