title: A CLINICAL TRIAL OF A MIXTURE OF LEVORPHANOL AND LEVALLORPHAN AS AN ORAL ANALEGESIC.
mesh_terms: D004358:Drug Therapy; D006801:Humans; D007977:Levallorphan; D007981:Levorphanol; D008691:Methadone; D009369:Neoplasms; D010003:Osteoarthritis; D010146:Pain; D013375:Substance Withdrawal Syndrome; D014116:Toxicology
chemical_list: D007981:Levorphanol; D007977:Levallorphan; D008691:Methadone
keywords: DRUG THERAPY; DRUG WITHDRAWAL SYMPTOMS; LEVALLORPHAN; LEVORPHANOL; METHADONE; NEOPLASMS; OSTEOARTHRITIS; PAIN; TOXICOLOGIC REPORT