For citations:

Ulyanov I.A., Ostroushko N.I. ANALYSIS OF PREOPERATIVE RISK FACTORS FOR FATAL OUTCOME OF CORONARY ARTERY BYPASS GRAFTING. Complex Issues of Cardiovascular Diseases. 2026;15(2):64-71. (In Russ.) https://doi.org/10.17802/2306-1278-2026-15-2-64-71