Uram-Dudek, Angelika, Iwona Wawer, and Katarzyna Paradowska. “The Analysis of the Chemical Composition of Preparations Containing Elderberry Extract”. HERBALISM 9, no. 1 (June 16, 2023): 6–18. Accessed July 8, 2025. https://apcz.umk.pl/HERB/article/view/44566.