title: Validity of screening methods for drugs of abuse in biological fluids. I. Heroin in urine.
mesh_terms: D001322:Autoanalysis; D002855:Chromatography, Thin Layer; D005069:Evaluation Studies as Topic; D005470:Fluorometry; D005609:Free Radicals; D003932:Heroin / Q000378:metabolism / Q000652:urine*; D006801:Humans; D006868:Hydrolysis; D008297:Male; D008722:Methods; D011863:Radioimmunoassay
chemical_list: D005609:Free Radicals; D003932:Heroin