Screening workers for drugs: a legal and ethical framework.
D002961:Civil Rights / Q000331:legislation & jurisprudence*; D004335:Drug and Narcotic Control / Q000331:legislation & jurisprudence*; D004989:Ethics; D006801:Humans; D010559:Personnel Management / Q000331:legislation & jurisprudence*; D019966:Substance-Related Disorders / Q000517:prevention & control*; D014481:United States