The epidemiology of drug abuse: current issues. Indicators of drug abuse--urinalysis screening.
D019411:Clinical Laboratory Techniques / Q000592:standards; D004812:Epidemiologic Methods; D006801:Humans; D008403:Mass Screening; D008887:Military Medicine; D008889:Military Personnel; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000652:urine; D014481:United States