title: Nonmedical Prescription-Opioid Use and Heroin Use.
authors.affiliation: Washington University School of Medicine in St. Louis, St. Louis, MO cicerot@wustl.edu.
authors.forename: Theodore J
authors.initials: TJ
authors.lastname: Cicero
authors.affiliation: Washington University School of Medicine in St. Louis, St. Louis, MO cicerot@wustl.edu.
authors.forename: Matthew S
authors.initials: MS
authors.lastname: Ellis
mesh_terms: D000701:Analgesics, Opioid; D005260:Female; D006556:Heroin Dependence / Q000453:epidemiology*; D006801:Humans; D008297:Male; D009293:Opioid-Related Disorders / Q000453:epidemiology*; D063487:Prescription Drug Misuse / Q000639:trends*
chemical_list: D000701:Analgesics, Opioid