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#Yulin Zhang
Identification and quantification of oleanolic acid and ursolic acid in Chinese herbs by liquid chromatography-ion trap mass spectrometry
张文鹏-生物医学质谱 , 清华大学
Identification and quantification of active alkaloids in Catharanthus roseus by liquid chromatography–ion trap mass spectrometry
张文鹏-生物医学质谱 , 清华大学