Strus, O. ., K. Babov, S. Gushcha, N. Polovko, B. . Nasibullin, and T. Polshchakova. “Toxicological and Biological Assessment of the Effect of Sapropel of the Prybych Lake During Cutaneous Application in Rats”. Open Access Macedonian Journal of Medical Sciences, vol. 8, no. A, Sept. 2020, pp. 633-8, doi:10.3889/oamjms.2020.4743.