Prilepsky А. Yu. RussiaSaratovInstitute of Biochemistry and Physiology of Plants and Microorganisms Russian Academy of Sciences (IBPPM RAS), 13 Prospekt Entuziastov, Saratov 410049polukonovanv@yandex.ru Author's articles Investigation of the activity of the flavonoid-containing Chamerion angustifolium extract in the experiments in vitro and in vivo INVESTIGATION OF CYTOTOXIC AND CYTOSTATIC ACTIVITY OF FLAVONOID-CONTAINING EXTRACT OF KIRKAZONE OF LOMONOSOVIDE (ARISTOLOCHIA CLEMATITIS L.) IN EXPERIMENTS IN VITRO AND IN VIVO