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Plomley JB, Jackson RL, Schwen RJ, Greiwe JS. Development of chiral liquid chromatography–tandem mass spectrometry isotope dilution methods for the determination of unconjugated and total S-equol in human plasma and urine. Journal of Pharmaceutical and Biomedical Analysis. 2011 Apr;55(1):125–34. doi: 10.1016/j.jpba.2010.12.031. |