title: Response to: Fentanyl-Norfentanyl Concentrations During Transdermal Patch Application: LC-MS-MS Urine Analysis.
authors.affiliation: Ameritox, LLC, 486 Gallimore Dairy Road, Greensboro, NC 27409, USA.
authors.forename: Oneka T
authors.initials: OT
authors.lastname: Cummings
authors.affiliation: Ameritox, LLC, 486 Gallimore Dairy Road, Greensboro, NC 27409, USA.
authors.forename: J
authors.initials: J
authors.lastname: Enders
authors.affiliation: Ameritox, LLC, 486 Gallimore Dairy Road, Greensboro, NC 27409, USA.
authors.forename: G L
authors.initials: GL
authors.lastname: McIntire
mesh_terms: D002853:Chromatography, Liquid; D005283:Fentanyl / Q000031:analogs & derivatives; D053719:Tandem Mass Spectrometry; D057968:Transdermal Patch
chemical_list: C080127:norfentanyl; D005283:Fentanyl