Sabiyeva, A., et al. “Antiradical Activity of Dry Extracts of Dracocephalum Nutans and Dracocephalum Ruyschiana Herb Growing on the Territory of the Central Kazakhstan”. Fundamental and Experimental Biology, vol. 108, no. 4, Dec. 2022, pp. 189-94, doi:10.31489/2022bmg4/189-194.