For citations:

Krivoshapova K.E., Neeshpapa A.G., Tsygankova D.P., Bazdyrev E.D., Karetnikova V.N., Barbarash O.L. ASSOCIATION BETWEEN FRAILTY AND VITAMIN D LEVELS IN PATIENTS WITH CORONARY ARTERY DISEASE. Complex Issues of Cardiovascular Diseases. 2025;14(6S):72-82. (In Russ.) https://doi.org/10.17802/2306-1278-2025-14-6S-72-82