Accuracy in urinalysis.
D006801:Humans; D013287:Illicit Drugs / Q000032:analysis*; D007753:Laboratories; D011785:Quality Assurance, Health Care; D011786:Quality Control; D013048:Specimen Handling; D019966:Substance-Related Disorders / Q000175:diagnosis*; D014556:Urine / Q000032:analysis*; D000078329:Workforce
D013287:Illicit Drugs