title: Analysis for drugs of abuse: the validity of reported results in relation to performance testing.
mesh_terms: D000661:Amphetamine / Q000032:analysis; D001463:Barbiturates / Q000032:analysis; D019411:Clinical Laboratory Techniques / Q000592:standards*; D005069:Evaluation Studies as Topic; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D007753:Laboratories / Q000592:standards*; D008004:Licensure; D008691:Methadone / Q000032:analysis; D009020:Morphine / Q000032:analysis; D009294:Narcotics / Q000032:analysis; D009518:New York; D010640:Phenothiazines / Q000032:analysis; D011803:Quinine / Q000032:analysis; D019966:Substance-Related Disorders / Q000652:urine*; D014556:Urine / Q000032:analysis
chemical_list: D001463:Barbiturates; D009294:Narcotics; D010640:Phenothiazines; D009020:Morphine; D011803:Quinine; D000661:Amphetamine; D008691:Methadone