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2007: Maria Esther Rodriguez Rosas; Michelle R Lofwall; Eric C Strain; Danuta Siluk; irving william wainer
Simultaneous determination of buprenorphine, norbuprenorphine and the enantiomers of methadone and its metabolite (EDDP) in human plasma by liquid chromatography/mass spectrometry.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2007;850(1-2):538-43.
2005: Maria Esther Rodriguez Rosas; Juan G Medrano; David H Epstein; Eric T. Moolchan; Kenzie L. Preston; irving william wainer
Determination of total and free concentrations of the enantiomers of methadone and its metabolite (2-ethylidene-1,5-dimethyl-3,3-diphenyl-pyrrolidine) in human plasma by enantioselective liquid chromatography with mass spectrometric detection.
Journal of chromatography. A 2005;1073(1-2):237-48.
2003: Maria Esther Rodriguez Rosas; Sharvil Patel; irving william wainer
Determination of the enantiomers of ketamine and norketamine in human plasma by enantioselective liquid chromatography-mass spectrometry.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2003;794(1):99-108.