title: Serum concentration measurements of addictive drugs.
authors.forename: Arne
authors.initials: A
authors.lastname: Helland
authors.forename: Jon Andsnes
authors.initials: JA
authors.lastname: Berg
authors.forename: Ingebjørg
authors.initials: I
authors.lastname: Gustavsen
authors.forename: Kristin
authors.initials: K
authors.lastname: Nordal
authors.forename: Thor
authors.initials: T
authors.lastname: Hilberg
authors.forename: Lena
authors.initials: L
authors.lastname: Aronsen
authors.forename: Marianne
authors.initials: M
authors.lastname: Arnestad
authors.forename: Sigrid
authors.initials: S
authors.lastname: Narum
mesh_terms: D000701:Analgesics, Opioid / Q000097:blood*; D001569:Benzodiazepines / Q000097:blood*; D016903:Drug Monitoring / Q000592:standards; D006801:Humans; D006993:Hypnotics and Sedatives / Q000097:blood*; D009664:Norway; D012015:Reference Standards
chemical_list: D000701:Analgesics, Opioid; D006993:Hypnotics and Sedatives; D001569:Benzodiazepines