METHODS FOR THE IDENTIFICATION AND QUANTITATIVE ANALYSIS OF BIOLOGICALLY ACTIVE SUBSTANCES FROM VITAMIN PLANTS RAW MATERIAL Статья Zhilkina V., Sachivkina N.P., Ibragimova A.N., Kovaleva T.Y., Molchanova M.A., Radeva D.V. FEBS Open Bio. FEBS Press. Том 9. 2019. С. 285-286