SURGERY RESULTS OF CORRECT TETRALOGY OF FALLOT IN CHILDREN UNDER 1 YEAR OLD AT HANOI HEART HOSPITAL AND THANH HOA CHILDREN’S HOSPITAL. YHCĐ [Internet]. 2022 Sept. 16 [cited 2026 Sept. 9];63(chuyên đề 1-BV Nhi Thái Bình). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/413