Kozyra, M.; Głowniak, K.; Boguszewska, M. The Analysis of Flavonoids in the Flowering Herbs of Carduus Acanthoides L. Curr. Issues Pharm. Med. Sci. 2013, 26 (1), 10-15. https://doi.org/10.12923/j.2084-980X/26.1/a.02.