For citations:
Khvatova N.T., Tkacheva O.N., Ermakova S.E., Avraamova T.V. Activity features of pre-retirement and retirement age entrepreneurs in the field of dental business. Russian Journal of Geriatric Medicine. 2021;(3):384-388. (In Russ.) https://doi.org/10.37586/2686-8636-3-2021-376-380