title: Unavailability of drug metabolite reference material to evaluate false-positive results for monoclonal EMIT-d.a.u. assay of amphetamine.
authors.forename: A
authors.initials: A
authors.lastname: Poklis
mesh_terms: D000661:Amphetamine / Q000652:urine*; D002746:Chlorpromazine / Q000652:urine; D017248:Enzyme Multiplied Immunoassay Technique / Q000592:standards*; D005189:False Positive Reactions; D006801:Humans; D011933:Reagent Kits, Diagnostic / Q000592:standards*
chemical_list: D011933:Reagent Kits, Diagnostic; D000661:Amphetamine; D002746:Chlorpromazine