For citations:
Lakomkin V.L., Abramov A.A., Gramovich V.V., Vyborov O.N., Studneva I.M., Pisarenko O.I., Kapelko V.I. Contractile Function of Isolated Hearts With Preserved and Reduced Ejection Fraction In Vivo. Kardiologiia. 2018;58(4):36-44. (In Russ.) https://doi.org/10.18087/cardio.2018.4.10107