Ditkivskyy, I. O., Voloshyn, D. L., Yermolovych, Y. V., Perepeka, I. A. and Lazoryshynets, V. V. (2022) “Endovascular Closure of Secondary Septal Defect in Children with Low Body Weight”, Ukrainian Journal of Cardiovascular Surgery, 30(4), pp. 53-58. doi: 10.30702/ujcvs/22.30(04)/DV061-5358.