title: Unreliable urine samples.
authors.forename: S
authors.initials: S
authors.lastname: Brown
mesh_terms: D006801:Humans; D009294:Narcotics / Q000493:pharmacokinetics*; D009293:Opioid-Related Disorders / Q000534:rehabilitation* / Q000652:urine; D015813:Substance Abuse Detection / Q000379:methods*
chemical_list: D009294:Narcotics