00552naa#a2200157#i#450# EN\\bibl\7504 20241201035030.7 20220516b2022####ek#y0engy0150####ca RU Comparison of methods for quantitative determination of the total content of flavonoids in the inflorescences of Tanacetum vulgare L. Conference article/thesis Kemerovo Kemerovo State University 2022 0 с. Conference article/thesis local Golovin A V Skrypnik L N moloprom.kemsu.ru