Grujić, S. M., A. M. Džamić, V. D. Mitić, V. Stankov-Jovanović, P. D. Marin, and G. S. Stojanović. “Effects of Solvent Extraction System on Antioxidant Activity of Lamium Purpureum L”. HEMIJSKA INDUSTRIJA (Chemical Industry), vol. 71, no. 5, Nov. 2017, pp. 361-70, doi:10.2298/HEMIND160518047G.