主题：【悬赏帖】求助英文文献4篇！

【序号】：1
【作者】: Mottier P , Gremaud E , Guy PA , Turesky RJ .
【题名】：Comparison of gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry methods to quantify alpha-tocopherol and alpha-tocopherolquinone levels in human plasma.
【期刊】：Anal Biochem
【年、卷、期、起止页码】： 2002 Feb;301 (1):        128-35
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【序号】：2
【作者】: Kock R , Seitz S , Delvoux B , Greiling H .
【题名】：Two high performance liquid chromatographic methods for the determination of alpha-tocopherol in serum compared to isotope dilution-gas chromatography-mass spectrometry.
【期刊】：Eur J Clin Chem Clin Biochem
【年、卷、期、起止页码】：1997 May;35 (5):        371-8
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【序号】：3
【作者】: Abuasal B , Thomas S , Sylvester PW , Kaddoumi A .
【题名】：Development and validation of a reversed-phase HPLC method for the determination of γ-tocotrienol in rat and human plasma.
【期刊】：Biomed Chromatogr
【年、卷、期、起止页码】：2011 May;25 (5):        621-7
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【序号】：4
【作者】: Kane MA , Folias AE , Wang C , Napoli JL .
【题名】：Quantitative profiling of endogenous retinoic acid in vivo and in vitro by tandem mass spectrometry.
【期刊】：Anal Chem
【年、卷、期、起止页码】：2008 Mar;80 (5):        1702-8
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