Frequency and types of congenital heart disease in neonates: A cross-sectional study from large public sector hospital of Karachi, Pakistan. J Fatima Jinnah Med Univ [Internet]. 2020 Jan. 15 [cited 2026 Apr. 9];13(4):163-5. Available from: https://jfjmu.com/index.php/ojs/article/view/661