TOTAL FLAVONOIDS IN CRATAEGUS «FLOWERS WITH LEAVES» RAW MATERIAL OF RUSSIAN FLORA ArticleSagaradze V.A., Babaeva E.Yu., Ufimov R.A., Zagurskaya Yu.V., Trusov N.A., Korotkikh I.N., Markin V.I., Peschanskaya E.V., Mozhaeva G.F., Kalenikova E.I.Khimiya Rastitel'nogo Syr'ya. Том 21. 2018. С. 95-104