Determination of levonorgestrel in human
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Li-Zi Zhao; Guo-Ping Zhong; Hui-Chang Bi; Liang Ding; Ying Deng; Su Guan; Xiao C
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Article
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2008
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John Wiley and Sons
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English
⚖ 179 KB
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## Abstract A rapid and sensitive liquid chromatography–tandem mass spectrometry (LC/MS/MS) method to determine levonorgestrel in human plasma was developed and fully validated. After hexane–ethyl acetate (70:30, v/v) induced extraction from the plasma samples, levonorgestrel was subjected to LC/MS