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Comparison of dried matrix spots and fabric phase sorptive extraction methods for quantification of highly potent analgesic activity agent (2R,4aR,7R,8aR)-4,7-dimethyl-2-(thiophen-2-yl)octahydro-2H-chromen-4-ol in rat whole blood and plasma using LC-MS/MS.
Lastovka AV, Rogachev AD, Il'ina IV, Kabir A, Volcho KP, Fadeeva VP, Pokrovsky AG, Furton KG, Salakhutdinov NF. Lastovka AV, et al. Among authors: fadeeva vp. J Chromatogr B Analyt Technol Biomed Life Sci. 2019 Nov 15;1132:121813. doi: 10.1016/j.jchromb.2019.121813. Epub 2019 Oct 21. J Chromatogr B Analyt Technol Biomed Life Sci. 2019. PMID: 31706184