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Simultaneous determination of dextromethorphan, dextrorphan, and guaifenesin in human plasma using semi-automated liquid/liquid extraction and gradient liquid chromatography tandem mass spectrometry.
Eichhold TH, McCauley-Myers DL, Khambe DA, Thompson GA, Hoke SH 2nd. Eichhold TH, et al. Among authors: mccauley myers dl. J Pharm Biomed Anal. 2007 Jan 17;43(2):586-600. doi: 10.1016/j.jpba.2006.07.018. Epub 2006 Aug 22. J Pharm Biomed Anal. 2007. PMID: 16930908 Clinical Trial.
Semi-automated liquid--liquid back-extraction in a 96-well format to decrease sample preparation time for the determination of dextromethorphan and dextrorphan in human plasma.
Bolden RD, Hoke SH 2nd, Eichhold TH, McCauley-Myers DL, Wehmeyer KR. Bolden RD, et al. Among authors: mccauley myers dl. J Chromatogr B Analyt Technol Biomed Life Sci. 2002 May 25;772(1):1-10. doi: 10.1016/s0378-4347(01)00555-2. J Chromatogr B Analyt Technol Biomed Life Sci. 2002. PMID: 12016010