title: Phenothiazine derivatives in urine: "false negative results" with the Forrest color test (FPN), and a method for their elimination.
mesh_terms: D000639:Amitriptyline; D002707:Chlordiazepoxide; D002746:Chlorpromazine; D002749:Chlorprothixene; D006801:Humans; D066298:In Vitro Techniques; D007202:Indicators and Reagents; D007501:Iron; D009566:Nitrates; D010472:Perchlorates; D010546:Perphenazine; D010624:Phenelzine; D010640:Phenothiazines; D014268:Trifluoperazine; D014556:Urine
chemical_list: D007202:Indicators and Reagents; D009566:Nitrates; D010472:Perchlorates; D010640:Phenothiazines; D000639:Amitriptyline; D014268:Trifluoperazine; D002707:Chlordiazepoxide; D002749:Chlorprothixene; D007501:Iron; D010546:Perphenazine; D010624:Phenelzine; D002746:Chlorpromazine