Gulzhazira Sakenovna Zhaulibayeva, Laylo Valizhanovna Kadirova. MODERN PRINCIPLES OF CONGENITAL HEART DEFECTS IN CHILDREN. Journal of new century innovations [Internet]. 2025 Nov. 17 [cited 2026 Oct. 4];89(1):83-7. Available from: https://openresearch-hub.com/index.php/new/article/view/325