Research & Education JFS ArticlesAAFS ConnectConference ProceedingsReference Series LibraryInternational Educational Outreach ProgramDifferentiation of Isobaric and Isomeric Fentanyl Analogs by Gas Chromatography/Mass Spectrometry (GC/MS)Presenting section:Criminalistics2019Liu, Jianmei, Ann Arbor MI; Franckowski, Roxanne E., Ann Arbor MIView the paperCriminalistics