title: Single-pH extraction procedure for detecting drugs of abuse.
mesh_terms: D001463:Barbiturates / Q000652:urine; D002855:Chromatography, Thin Layer; D005069:Evaluation Studies as Topic; D005984:Glutethimide / Q000652:urine; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D008722:Methods; D009020:Morphine / Q000652:urine; D004364:Pharmaceutical Preparations / Q000032:analysis*; D011803:Quinine / Q000652:urine; D019966:Substance-Related Disorders / Q000652:urine*; D014149:Tranquilizing Agents / Q000652:urine
chemical_list: D001463:Barbiturates; D007202:Indicators and Reagents; D004364:Pharmaceutical Preparations; D014149:Tranquilizing Agents; D009020:Morphine; D011803:Quinine; D005984:Glutethimide