Workplace drug testing: two cautionary cases.
Oregon Health Sciences University, Portland.
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Baer
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Sangueza
D001628:Beverages / Q000032:analysis; D003042:Cocaine / Q000032:analysis; D005189:False Positive Reactions; D005504:Food Analysis; D006787:Hospitals, Veterans; D006801:Humans; D007755:Laboratories, Hospital / Q000592:standards*; D009020:Morphine / Q000032:analysis; D009922:Oregon; D010207:Papaver / Q000378:metabolism; D010564:Personnel, Hospital; D010946:Plants, Medicinal; D015813:Substance Abuse Detection / Q000592:standards*; D000078329:Workforce