Gaponova, Elina. “Current Trends of Global Medical Services Market Functioning”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism0, no. 6 (December 19, 2017): 20-24. Accessed April 28, 2024. https://periodicals.karazin.ua/irtb/article/view/9965.