Yeroshkina, T. V., and D. V. Derevyanko. “Medical-Demographic Problems of Ukraine and Some Ways of Their Overcoming”. Medicni perspektivi 23, no. 3 (November 29, 2018): 104–109. Accessed May 5, 2024. https://journals.uran.ua/index.php/2307-0404/article/view/147966.