For citations:
Sobolev A.V., Kozhemyakina E.S., Qurbonbekova N.K., Kasparova A.M., Martynyuk T.V. Impact of pulmonary hypertension of varying severity on the characteristics of the daily variability of the sinus rhythm. Medical alphabet. 2022;(11):27-33. (In Russ.) https://doi.org/10.33667/2078-5631-2022-11-27-33