EFFICACY OF DRUG-ELUTING BALLOON CATHETERS IN THE TREATMENT OF LEFT MAIN CORONARY ARTERY BIFURCATION STENOSIS: A 12-MONTH FOLLOW-UP ArticleSafonova Olga O., Maksimkin Daniil A., Chepurnoy Aleksander G., Kim I.E., Loginova S.K., Shugushev Zaurbek KhКардиология и сердечно-сосудистая хирургия. Том 18. 2025. С. 666-673