The pitfalls of urine surveillance: the role of research in evaluation and remedy.
D000328:Adult; D002855:Chromatography, Thin Layer; D003951:Diagnostic Errors; D006556:Heroin Dependence / Q000175:diagnosis / Q000534:rehabilitation / Q000652:urine*; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use; D014556:Urine / Q000032:analysis
D008691:Methadone