For citations:
Sitnikova M.Yu., Lelyavina T.A., Shlyakhto E.V., Dorofeykov V.V. PROGNOSTIC ROLE OF CHRONIC HEART FAILURE SEVERITY MARKERS AND RISK STRATIFICATION IN PATIENTS AGED 75 YEARS OR OLDER: BNUP-AGE SURVIVAL MODEL (NEVA-75). Russian Journal of Cardiology. 2010;(5):23-29. (In Russ.)