title: Elimination of labetalol-induced false positives in drug analyses.
mesh_terms: D000662:Amphetamines / Q000652:urine*; D002855:Chromatography, Thin Layer / Q000379:methods; D005189:False Positive Reactions; D006801:Humans; D007124:Immunoenzyme Techniques; D007741:Labetalol / Q000652:urine*; D010665:Phenylpropanolamine / Q000652:urine*; D011933:Reagent Kits, Diagnostic
chemical_list: D000662:Amphetamines; D011933:Reagent Kits, Diagnostic; D010665:Phenylpropanolamine; D007741:Labetalol