title: Proper drug testing procedures require lab analysis accuracy.
authors: Accu-Chem Laboratories, Dallas, Texas.
authors: J L
authors: JL
authors: Laseter
authors: G
authors: G
authors: Butler
mesh_terms: D000062:Accidents, Occupational / Q000517:prevention & control; D002855:Chromatography, Thin Layer; D005189:False Positive Reactions; D006801:Humans; D013287:Illicit Drugs / Q000032:analysis*; D007118:Immunoassay; D007753:Laboratories / Q000592:standards*; D008403:Mass Screening; D013058:Mass Spectrometry; D010559:Personnel Management / Q000639:trends; D019966:Substance-Related Disorders / Q000175:diagnosis*
chemical_list: D013287:Illicit Drugs