Shabbir S, Tahirkheli N, Abbas K, Shamim S. Spectrum of Common Congenital Heart Diseases in Preterm Neonates. J Dow Univ Health Sci [Internet]. 2022 May 24 [cited 2024 Nov. 14];16(2):89-94. Available from: https://jduhs.jduhs.duhs.edu.pk/index.php/jduhs/article/view/1586