Vergun, Olena, Natalia Zaimenko, Dzhamal Rakhmetov, and Oksana Shymanska. 2025. “Symphytum Species: Distribution, Biochemistry, Pharmacology, Ecology, and Research Perspectives”. Agrobiodiversity for Improving Nutrition, Health and Life Quality 9 (2). https://agrobiodiversity.uniag.sk/scientificpapers/article/view/568.