Requirements and evaluations of narcotics tests.
D002854:Chromatography, Paper; D005069:Evaluation Studies as Topic; D006801:Humans; D009020:Morphine / Q000652:urine; D009294:Narcotics / Q000652:urine; D019966:Substance-Related Disorders / Q000175:diagnosis*
D009294:Narcotics; D009020:Morphine