title: Monitoring two transitions by LC-MS/MS may not be sufficient to positively identify benzoylecgonine in patient urine samples.
authors.affiliation: Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, United States.
authors.forename: Courtney
authors.initials: C
authors.lastname: Heideloff
authors.affiliation: Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, United States.
authors.forename: Adam J
authors.initials: AJ
authors.lastname: McShane
authors.affiliation: Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, United States.
authors.forename: Dustin R
authors.initials: DR
authors.lastname: Bunch
authors.affiliation: Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, United States.
authors.forename: Katherine
authors.initials: K
authors.lastname: Lembright
authors.affiliation: Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, United States.
authors.forename: Susan
authors.initials: S
authors.lastname: Lawson
authors.affiliation: Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, United States. Electronic address: wangs2@ccf.org.
authors.forename: Sihe
authors.initials: S
authors.lastname: Wang
mesh_terms: D002853:Chromatography, Liquid / Q000379:methods*; D003042:Cocaine / Q000031:analogs & derivatives* / Q000652:urine; D006801:Humans; D053719:Tandem Mass Spectrometry / Q000379:methods*; D016482:Urinalysis / Q000379:methods*
chemical_list: C005618:benzoylecgonine; D003042:Cocaine