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Deng Y, Liao Q, Li S, Bi K, Pan B, Xie Z. Simultaneous determination of berberine, palmatine and jatrorrhizine by liquid chromatography-tandem mass spectrometry in rat plasma and its application in a pharmacokinetic study after oral administration of coptis-evodia herb couple. J Chromatogr B Analyt Technol Biomed Life Sci. 2008 Mar 01;863(2):195–205. doi: 10.1016/j.jchromb.2007.12.028. PMID: 18258496. |