title: Levorphanol revisited.
authors: Eric E
authors: EE
authors: Prommer
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000009:adverse effects / Q000493:pharmacokinetics / Q000494:pharmacology; D007981:Levorphanol / Q000008:administration & dosage / Q000009:adverse effects / Q000493:pharmacokinetics / Q000494:pharmacology; D008691:Methadone; D009020:Morphine
chemical_list: D000701:Analgesics, Opioid; D007981:Levorphanol; D009020:Morphine; D008691:Methadone