Labetalol: false-positive indices by EMIT-d.a.u. assay and Toxi-Lab A urine screen.
D003429:Cross Reactions; D004983:Ethanolamines / Q000652:urine*; D005189:False Positive Reactions; D006801:Humans; D007124:Immunoenzyme Techniques; D007741:Labetalol / Q000652:urine*; D011933:Reagent Kits, Diagnostic
D004983:Ethanolamines; D011933:Reagent Kits, Diagnostic; D007741:Labetalol