Drug abuse testing in the workplace: avoiding pitfalls and problems.
D002961:Civil Rights / Q000331:legislation & jurisprudence; D006801:Humans; D007753:Laboratories / Q000458:organization & administration*; D010559:Personnel Management / Q000331:legislation & jurisprudence*; D019966:Substance-Related Disorders / Q000175:diagnosis*; D014481:United States