Distinguishing Sympathomimetic Amines from Amphetamine and Methamphetamine in Urine by Gas Chromatography/Mass SpectrometryE. Michael Thurman, T.L. Martin, M.J. Pedersen et al.|Journal of Analytical Toxicology|1992Cited by 62
Application of mixed-mode, solid-phase extraction in environmental and clinical chemistryM.S. Mills, M.J. Pedersen, E. Michael Thurman|Journal of Chromatography A|1993Cited by 38