Tasbulatova, G.S., A.U. Umbetov, and B.S. Sadykova. “Indicators of the Cardiovascular System of 7–11 Years Old Girls Residing in Northern and Southern Kazakhstan ”. Fundamental and Experimental Biology 97, no. 1 (March 30, 2020): 86–89. Accessed October 20, 2025. https://feb.buketov.edu.kz/bmg-vestnik/article/view/551.