Zadnipryany, I. V., et al. “Morphology of Contractile Cardiomyocytes and Vessels in Pregnant Rats and Their Pups Exposed to Hemic Hypoxia”. Journal of Education, Health and Sport, vol. 5, no. 4, Apr. 2015, pp. 72-80, https://apcz.umk.pl/JEHS/article/view/2610.