题目:Separation, determination and identification of the diastereoisomers of podophyllotoxin and its esters by high-performance liquid chromatography/tandem mass spectrometry 作者:Zhao L, Tian X, Fan PC, Zhan YJ, Shen DW, Jin Y. 出处: J Chromatogr A. 2008 Nov 14;1210(2):168-77. Epub 2008 Sep 20. 链接:http://www.ncbi.nlm.nih.gov/pubmed/18834594?ordinalpos=6&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_DefaultReportPanel.Pubmed_RVDocSum