For citations:
Grakova E.V., Yakovlev A.V., Shilov S.N., Berezikova E.N., Kopeva K.V., Yakovleva N.F., Ogurkova O.N., Teplyakov A.T. Heart failure with preserved left ventricular ejection fraction in patients with obstructive sleep apnea syndrome: prognostic value of biomarkers. Kardiologiia. 2021;61(11):77-88. https://doi.org/10.18087/cardio.2021.11.n1615