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Li P, Li SP, Lao SC, Fu CM, Kan KKW, Wang YT. Optimization of pressurized liquid extraction for Z-ligustilide, Z-butylidenephthalide and ferulic acid in Angelica sinensis. Journal of Pharmaceutical and Biomedical Analysis. 2006 Mar;40(5):1073–9. doi: 10.1016/j.jpba.2005.08.035. |