title: Urine opioid screens may be misleading.
authors.forename: Carla
authors.initials: C
authors.lastname: Rubingh
mesh_terms: D000701:Analgesics, Opioid / Q000032:analysis / Q000652:urine*; D001569:Benzodiazepines / Q000032:analysis / Q000652:urine; D005188:False Negative Reactions; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D013287:Illicit Drugs / Q000032:analysis / Q000652:urine; D012680:Sensitivity and Specificity; D015813:Substance Abuse Detection
chemical_list: D000701:Analgesics, Opioid; D013287:Illicit Drugs; D001569:Benzodiazepines