title: Pharmacology of narcotics and antagonists as related to drug abuse.
mesh_terms: D003061:Codeine / Q000494:pharmacology; D003932:Heroin / Q000494:pharmacology; D006801:Humans; D007977:Levallorphan / Q000494:pharmacology; D008614:Meperidine / Q000494:pharmacology; D008691:Methadone / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D009021:Morphine Dependence; D009269:Nalorphine / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology; D013237:Stereoisomerism; D019966:Substance-Related Disorders
chemical_list: D009292:Narcotic Antagonists; D007977:Levallorphan; D003932:Heroin; D009020:Morphine; D008614:Meperidine; D009269:Nalorphine; D008691:Methadone; D003061:Codeine