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Cheung HY, Zhang QF. Enhanced analysis of triterpenes, flavonoids and phenolic compounds in Prunella vulgaris L. by capillary zone electrophoresis with the addition of running buffer modifiers. J Chromatogr A. 2008 Dec 12;1213(2):231–8. doi: 10.1016/j.chroma.2008.10.033. PMID: 18980769. |