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Cynthia M. Lewallen
Cynthia M. Lewallen
Research Triangle Park
Chemistry
Chromatography
Urine
Gas chromatography–mass spectrometry
Liquid chromatography–mass spectrometry
3
Papers
18
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Anomalous results of morphine and 6-acetylmorphine in urine specimens
2011
Peter Stout
Cynthia M. Lewallen
Nichole Bynum
Tiffany Freed
Melanie Silinski
Jeri Ropero Miller
John M. Mitchell
Susan Crumpton
Ron Flegel
Charles LoDico
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A Comparison of the Validity of Gas Chromatography-Mass Spectrometry and Liquid Chromatography-Tandem Mass Spectrometry Analysis of Urine Samples II: Amphetamine, Methamphetamine, (±)-3,4-Methylenedioxyamphetamine, (±)-3,4-Methylenedioxymethamphetamine, (±)-3,4-Methylenedioxyethylamphetamine, Phencyclidine, and (±)-11-nor-9-Carboxy-Δ9-tetrahydrocannabinol
2010
Journal of Analytical Toxicology
Peter R. Stout
Nichole Bynum
Cynthia M. Lewallen
John M. Mitchell
Michael R. Baylor
Jeri D. Ropero-Miller
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Citations (17)
A comparison of the validity of GC-MS and LC-MS/MS analysis of urine samples II: Amphetamine, methamphetamine, (±)-3,4-methylenedioxyamphetamine, (±)-3,4-methylenedioxymethamphetamine, (±)-3,4-methylenedioxyethylamphetamine, phencyclidine, and (±)-11-nor-9-carboxy-)9-tetrahydrocannabinol
2010
Peter R. Stout
Nichole Bynum
Cynthia M. Lewallen
John M. Mitchell
Michael R. Baylor
Jeri Ropero Miller
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