O. A. Savchenko, I. S. Shpon’ka, O. V. Poslavs’ka, and P. V. Savchenko, “Analysis of proliferative activity and levels of diagnostic cytokeratins expression in epithelial tumors of the ovaries with different malignancy potential”, Morphologia, vol. 11, no. 4, pp. 48–52, Dec. 2017.