Aman, Wahaj, Akhtar Sherin, and Muhammad Hafizullah. 2011. “FREQUENCY OF CONGENITAL HEART DISEASES IN PATIENTS UNDER THE AGE OF TWELVE YEARS AT LADY READING HOSPITAL PESHAWAR”. Journal of Postgraduate Medical Institute 20 (1). https://jpmi.org.pk/index.php/jpmi/article/view/136.