RISK FACTORS FOR PROLONGED CARDIAC INTENSIVE CARE UNIT (CICU) STAY FOLLOWING OPEN HEART SURGERY IN HAYATABAD MEDICAL COMPLEX PESHAWAR. RMSR [Internet]. 2025 Feb. 10 [cited 2025 Apr. 28];3(2):268-86. Available from: http://thermsr.com/index.php/Journal/article/view/601