For citations:

Tkacheva O.N., Kotovskaya Yu.V., Runikhina N.K., Alimova E.R., Arefieva M.S., Eruslanova K.A., Rozanov A.V. The relevance of the use of cardiopulmonary exercise testing (CPET) in elderly and senile patients. Russian Journal of Geriatric Medicine. 2023;(1):44-53. (In Russ.) https://doi.org/10.37586/2686-8636-1-2023-44-53