For citations:

Glushkova T.V., Ovcharenko E.A., Sevostyanova V.V., Klyshnikov K.Yu. Features of Calcification of Valves Heart and Their Biological Prostheses: Composition, Structure and Localization of Calcifications. Kardiologiia. 2018;58(5):72-81. (In Russ.) https://doi.org/10.18087/cardio.2018.5.10110