Practical considerations in the interpretation of urine drug screens.
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D002855:Chromatography, Thin Layer; D003404:Creatinine / Q000652:urine; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D013287:Illicit Drugs / Q000652:urine*; D007124:Immunoenzyme Techniques; D011237:Predictive Value of Tests; D011863:Radioimmunoassay
D013287:Illicit Drugs; D003404:Creatinine