title: Intravenous morphine for postoperative analgesia in children undergoing cheiloplastic operation.
mesh_terms: D002675:Child, Preschool; D002971:Cleft Lip / Q000601:surgery*; D002972:Cleft Palate / Q000601:surgery*; D006801:Humans; D007223:Infant; D007275:Injections, Intravenous; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D009020:Morphine