Gritsenko, M. and Bulankina, N. 2019. Comparative study of some skin and lung fibroblast genes expression of rats of different age. The Journal of V.N.Karazin Kharkiv National University. Series «Biology». 31, 31 (Feb. 2019), 148-152. DOI:https://doi.org/10.26565/2075-5457-2018-31-15.