Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Identification and Quantification of Tapentadol and N-Desmethyltapentadol in Human Urine Using Gas Chromatography-Mass Spectrometry Presenting section: Toxicology 2013 Cassatt, Shannon, Richmond VA; Wolf, Carl E., Richmond VA; Poklis, Alphonse, Richmond VA View the paper Toxicology