title: Urine screening techniques employed in the detection of users of narcotics and their correlation with the nalorphine test.
mesh_terms: D000661:Amphetamine / Q000652:urine; D002140:California; D003042:Cocaine / Q000652:urine; D003061:Codeine / Q000652:urine; D006801:Humans; D004091:Hydromorphone / Q000652:urine; D008614:Meperidine / Q000652:urine; D008691:Methadone / Q000652:urine; D009020:Morphine / Q000652:urine; D009269:Nalorphine; D011680:Pupil; D019966:Substance-Related Disorders / Q000652:urine*
chemical_list: D009020:Morphine; D008614:Meperidine; D000661:Amphetamine; D003042:Cocaine; D004091:Hydromorphone; D009269:Nalorphine; D008691:Methadone; D003061:Codeine