title: Improved gas chromatography-mass spectrometry method for simultaneous identification and quantification of opiates in urine as propionyl and oxime derivatives.
authors.affiliation: Department of Clinical Laboratory Sciences, Louisiana State University Health Sciences Center, New Orleans, LA 70112-2262, USA. lbrous@lsuhsc.edu
authors.forename: L A
authors.initials: LA
authors.lastname: Broussard
authors.forename: L C
authors.initials: LC
authors.lastname: Presley
authors.forename: M
authors.initials: M
authors.lastname: Tanous
authors.forename: C
authors.initials: C
authors.lastname: Queen
mesh_terms: D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D009294:Narcotics / Q000737:chemistry / Q000652:urine*; D010091:Oximes / Q000737:chemistry / Q000652:urine*; D011422:Propionates / Q000737:chemistry / Q000652:urine*; D015813:Substance Abuse Detection / Q000379:methods*
chemical_list: D009294:Narcotics; D010091:Oximes; D011422:Propionates