title: Pain management and parenteral opioids: an update.
authors.forename: R E
authors.initials: RE
authors.lastname: Enck
mesh_terms: D006801:Humans; D007262:Infusions, Intravenous; D007263:Infusions, Parenteral; D009294:Narcotics / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy*; D010147:Pain Measurement; D013727:Terminal Care
chemical_list: D009294:Narcotics