Bortnyi, M. 2025. CONGENITAL HEART DISEASE: X-RAY SIGNS AND BASICS OF CLINICAL AND RADIOLOGICAL DIAGNOSIS FOR SEMINARS AND PRACTICAL LESSONS (BASIC COURSE). European Science. 3, sge38-03 (Mar. 2025), 219–256. DOI:https://doi.org/10.30890/2709-2313.2025-38-03-003.