Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Screening of New Psychoactive Substances (NPS) in Human Plasma Using Magnetic Solid Phase Extraction (m-SPE) by Liquid Chromatography/Quadrupole Time-of-Flight/Mass Spectrometry (LC/qTOF/MS) Presenting section: Toxicology 2020 View the paper Toxicology