The Nation - News from July 24, 1987
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Many businesses are subjecting employees to drug screening tests that laboratory experts say produce unreliable results they could not reasonably defend in court, researchers said. Up to half of corporate drug tests performed employ either insufficient screening methods or inappropriate controls over access to samples and results, said Dr. Thorne Butler, a Las Vegas toxicologist and official with the College of American Pathologists, in the Journal of the American Medical Assn.
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