For citations:
Chipigina N.S., Urvacheva G.M., Shostak N.A., Zhitareva I.V., Zhitomirskaya I.Yu. MITRAL ANNULAR CALCIFICATION IN ELDERLY PATIENTS. CLINICAL AND ECHOCARDIOGRAPHIC CHARACTERISTICS. Rational Pharmacotherapy in Cardiology. 2011;7(6):690-697. (In Russ.) https://doi.org/10.20996/1819-6446-2011-7-6-690-697