Al-Khashab, S., and F. A.A.Al-Hassani. “ABNORMAL POST-OPERATIVE BLEEDING IN PATIENTS WITH CONGENITAL HEART DISEASES UNDERGOING OPEN HEART SURGERY”. Journal of Postgraduate Medical Institute, vol. 26, no. 3, June 2012, https://jpmi.org.pk/index.php/jpmi/article/view/1305.