Dyakova , Nina Alekseevna. “ECOLOGICAL AND HYGIENIC ASSESSMENT OF THE QUALITY OF BURDOCK ROOTS OF LARGE FLORA OF URBANIZED TERRITORIES OF THE CENTRAL BLACK EARTH REGION”. Chemistry of plant raw material0, no. 1 (February 19, 2024): 242-250. Accessed December 24, 2025. https://journal.asu.ru/cw/article/view/11743.