Kabak, S. L., V. V. Zatochnaya, Y. M. Melnichenko, and T. M. Mohammadi. “Histological Study of Human Fetuses Vertebral Column Ossification”. Морфологія / Morphologia / Morfologìâ, vol. 13, no. 2, June 2019, pp. 27-36, doi:10.26641/1997-9665.2019.2.27-36.