title: Measurement of buprenorphine in urine: immunoassay versus LC-MS/MS.
authors.forename: Shirley
authors.initials: S
authors.lastname: Twigger
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Fox
authors.forename: Keith
authors.initials: K
authors.lastname: Allen
mesh_terms: D002047:Buprenorphine / Q000652:urine*; D002853:Chromatography, Liquid; D006801:Humans; D007118:Immunoassay; D009294:Narcotics; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D015813:Substance Abuse Detection / Q000379:methods*; D053719:Tandem Mass Spectrometry
chemical_list: D009294:Narcotics; D002047:Buprenorphine