Hryhorieva, O. A., and K. S. Kovalchuk. “On the Question of Classification of rat’s Ovarian Follicles”. Морфологія / Morphologia / Morfologìâ, vol. 12, no. 4, Dec. 2018, pp. 116-21, doi:10.26641/1997-9665.2018.4.116-121.