Shabbir, S., Tahirkheli , N., Abbas, K. ., & Shamim, S. . (2022). Spectrum of Common Congenital Heart Diseases in Preterm Neonates. Journal of the Dow University of Health Sciences (JDUHS), 16(2), 89–94. https://doi.org/10.36570/jduhs.2022.2.1586