title: Analysis for commonly abused drugs in urine at selected threshold ("cutoff") concentrations.
authors.forename: B S
authors.initials: BS
authors.lastname: Finkle
authors.forename: D
authors.initials: D
authors.lastname: Black
authors.forename: R V
authors.initials: RV
authors.lastname: Blanke
authors.forename: T J
authors.initials: TJ
authors.lastname: Butler
authors.forename: G R
authors.initials: GR
authors.lastname: Jones
authors.forename: R H
authors.initials: RH
authors.lastname: Sample
mesh_terms: D006801:Humans; D015813:Substance Abuse Detection / Q000379:methods*; D019966:Substance-Related Disorders / Q000652:urine*