For citations:

Avraamova T.V., Tkacheva O.N., Ermakova S.E., Khvatova N.T. Features of marketing in healthcare (The example of medical tourism for the older adults). Russian Journal of Geriatric Medicine. 2021;(3):340-343. (In Russ.) https://doi.org/10.37586/2686-8636-3-2021-332-335