title: Illicit opioid use in the 21st century: witnessing a paradigm shift?
authors.forename: Benedikt
authors.initials: B
authors.lastname: Fischer
authors.forename: Jurgen
authors.initials: J
authors.lastname: Rehm
mesh_terms: D000701:Analgesics, Opioid / Q000600:supply & distribution; D011307:Drug Prescriptions / Q000706:statistics & numerical data*; D003932:Heroin / Q000600:supply & distribution; D006801:Humans; D015994:Incidence; D009293:Opioid-Related Disorders / Q000453:epidemiology* / Q000517:prevention & control
chemical_list: D000701:Analgesics, Opioid; D003932:Heroin