IN SEARCH OF OPTIMAL CRITERIA FOR IRON DEFICIENCY IN CHF PATIENTS. POST-HOC ANALYSIS OF THE STUDY "PREVALENCE OF IRON DEFICIENCY IN PATIENTS WITH CHRONIC HEART FAILURE IN THE RUSSIAN FEDERATION (ID-CHF-RF)" ArticleMareev V.Y., Mareev Y., Kobalava D.Z., Begrambekova L.Y., Karapetyan L., Galochkin S.A., Kazakhmedov E.R., Lapshin A.A., Garganeeva A.A., Kuzheleva E.A., Efremushkina A.A., Kiseleva E., Barbarash O.L., Pecherina T.B., Galyavich A.S., Galeeva Z.M., Baleeva L., Koziolova N.A., Veklich A.S., Duplyakov D. ...Kardiologiia. Том 64. 2024.