For citations:

Reznik E.V., Nikitin I.G. CARDIORENAL SYNDROME IN PATIENTS WITH CHRONIC HEART FAILURE AS A STAGE OF THE CARDIORENAL CONTINUUM (PART I): DEFINITION, CLASSIFICATION, PATHOGENESIS, DIAGNOSIS, EPIDEMIOLOGY. The Russian Archives of Internal Medicine. 2019;9(1):5-22. https://doi.org/10.20514/2226-6704-2019-9-1-5-22