title: Illicit fentanyl in Europe.
authors.forename: A I
authors.initials: AI
authors.lastname: Berens
authors.forename: A J
authors.initials: AJ
authors.lastname: Voets
authors.forename: P
authors.initials: P
authors.lastname: Demedts
mesh_terms: D000328:Adult; D000701:Analgesics, Opioid; D003718:Denmark; D015198:Designer Drugs; D005283:Fentanyl; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders
chemical_list: D000701:Analgesics, Opioid; D015198:Designer Drugs; D005283:Fentanyl