For citations:
Kanev A.F., Kobyakova O.S., Kurakova N.G., Shibalkov I.P. Population ageing and national healthcare systems sustainability. A review of world practices. National Health Care (Russia). 2023;4(4):5-13. (In Russ.) https://doi.org/10.47093/2713-069X.2023.4.4.5-13