For citations:
Qurbonbekova N.Kh., Kasparova A.M., Kozhemyakina E.Sh., Sobolev A.V., Martynyuk T.V. Evaluation of heart rate variability in patients with different forms of pulmonary hypertension. Systemic Hypertension. 2021;18(3):147-152. (In Russ.) https://doi.org/10.26442/2075082X.2021.3.201066