For citations:

Kulbaisova С.A., Galin P.Yu. FACTORS INFLUENCING THE DYNAMICS OF SYSTOLIC MYOCARDIAL FUNCTION IN PATIENTS WITH HEART FAILURE WITH MID-RANGE EJECTION FRACTION AFTER ELECTIVE PERCUTANEOUS CORONARY INTERVENTION. Bashkortostan Medical Journal. 2023;18(3):5-9. (In Russ.)