BURKI, M. K. and BABAR, G. S. (2001) “PREVALENCE AND PATTERN OF CONGENITAL HEART DISEASE IN HAZARA”, Journal of Ayub Medical College Abbottabad, 13(4), pp. 16–18. Available at: https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4885 (Accessed: 9 May 2025).