For citations:

Bakalets N.F., Paremskaya A.S., Yurkovskiy D.S. Causes, predisposing factors and clinical implications of spontaneous echocardiographic contrast. Health and Ecology Issues. 2022;19(2):12–24. (In Russ.) https://doi.org/10.51523/2708-6011.2022-19-2-02