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Drug testing in blood: validated negative-ion chemical ionization gas chromatographic-mass spectrometric assay for enantioselective measurement of the designer drugs MDEA, MDMA, and MDA and its application to samples from a controlled study with MDMA.
Peters FT, Samyn N, Lamers CT, Riedel WJ, Kraemer T, de Boeck G, Maurer HH. Peters FT, et al. Among authors: samyn n. Clin Chem. 2005 Oct;51(10):1811-22. doi: 10.1373/clinchem.2005.052746. Epub 2005 Aug 11. Clin Chem. 2005. PMID: 16099938
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