Conference ProceedingsImproving Qualitative Synthetic Cathinone Identification by Gas Chromatography/Mass Spectrometry (GC/MS) Using Cold Electron Ionization (Cold-EI)Presenting section:Criminalistics2017Levitas, Matthew P., LaVale MD; Andrews, Emily, Washington DC; Lurie, Ira S., Washington DC; Marginean, Ioan, Washington DCView the paperCriminalistics