1. U.S. Drug Enforcement Administration Diversion Control Division (2019) National Forensic Laboratory Information System:NFLIS-Drug 2019 Annual Report.
2. A comparison of portable infrared spectrometers, portable Raman spectrometers, and color-based field tests for the on-scene analysis of cocaine;Lieblein;Spectroscopy,2018
3. Color tests for the preliminary identification of methcathinone and analogues of methcathinone;Toole;Microgram J.,2012
4. A review of chemical ‘spot’ tests: A presumptive illicit drug identification technique;Philp;Drug Test. Anal.,2018
5. Raman spectroscopy: Recent advancements, techniques and applications;Das;Vib. Spectrosc.,2011