For citations:
Kokhan E.V., Kiyakbaev G.K., Kobalava Z.D. Elevated heart rate in hypertension and coronary artery disease: risk factor or risk marker in patients with preserved left ventricular ejection fraction. "Arterial’naya Gipertenziya" ("Arterial Hypertension"). 2019;25(4):389-406. (In Russ.) https://doi.org/10.18705/1607-419X-2019-25-4-389-406