Mykychak, Y., D. Kozhokar, I. Yusifli, A. Morkovkina, R. Tammo, and I. Yemets. 2020. “Comparison of Echocardiography and Computed Tomography/Magnetic Resonance Imaging for Assessing of Pulmonary Vein Stenosis in Children”. Ukrainian Journal of Cardiovascular Surgery, no. 2 (39) (May), 75-79. https://doi.org/10.30702/ujcvs/20.3905/035075-079.