The antiviral, antiradical, and phytochemical potential of dry extracts from Spiraea hypericifolia, S. media, and S. salicifolia (Rosaceae) / V. A. Kostikova, V. V. Zarubaev, L. L. Esaulkova [et al.] // South African journal of botany. 2022. Vol. 147. P. 215-222. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001000953