title: An evaluation of drug testing in the workplace.
authors.affiliation: ISAT, Wheaton, MD 20902.
authors.forename: J
authors.initials: J
authors.lastname: Sheridan
authors.forename: H
authors.initials: H
authors.lastname: Winkler
mesh_terms: D000041:Absenteeism; D000328:Adult; D000367:Age Factors; D003362:Cost-Benefit Analysis; D006801:Humans; D008875:Middle Aged; D009786:Occupational Health Services; D015995:Prevalence; D019966:Substance-Related Disorders / Q000175:diagnosis* / Q000453:epidemiology; D013997:Time Factors; D014481:United States