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Enantiospecific determination of DL-methylphenidate and DL-ethylphenidate in plasma by liquid chromatography-tandem mass spectrometry: application to human ethanol interactions.
Zhu HJ, Patrick KS, Markowitz JS. Zhu HJ, et al. Among authors: patrick ks. J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Apr 1;879(11-12):783-8. doi: 10.1016/j.jchromb.2011.02.033. Epub 2011 Feb 25. J Chromatogr B Analyt Technol Biomed Life Sci. 2011. PMID: 21402502 Free PMC article.
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