Ullah, M. A., Mamun, S., Saha, H., & Al-Miraj, A. K. (2025). Incidence and pattern of congenital heart disease in children: an observational cross-sectional study. International Journal of Research in Medical Sciences, 13(3), 998–1003. https://doi.org/10.18203/2320-6012.ijrms20250658