Petrushko, M. P., V. I. Pinyaev, E. B. Revenko, N. A. Volkova, and N. N. Chub. “Morphofunctional Characteristics of Freshly Isolated and Cryopreserved Human Ovarian Granulosa and Cumulus Cells”. Problems of Cryobiology and Cryomedicine, vol. 24, no. 1, Mar. 2014, pp. 57-66, doi:10.15407/cryo24.01.057.