Intravenous morphine infusions for chronic pain.
D006801:Humans; D007263:Infusions, Parenteral; D009020:Morphine / Q000008:administration & dosage*; D009369:Neoplasms / Q000150:complications; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D013997:Time Factors
D009020:Morphine