T. O. Yurchuk, N. O. Buderatska, I. E. Ilyin, J. V. Gontar, and M. P. Petrushko, “Morphological characteristics of the first polar body of oocytes and results of embryos PGT-A”., Morphologia, vol. 13, no. 4, pp. 50–54, Dec. 2019.