Muhammad Shehbaz Amjad, Shahid Abbas. FREQUENCY OF IMPROVEMENT IN LEFT VENTRICULAR EJECTION FRACTION AFTER PRIMARY PERCUTANEOUS CORONARY INTERVENTION IN PATIENTS PRESENTING WITH ST-SEGMENT ELEVATION MYOCARDIAL INFARCTION. IJHR. 2025;3(3 (Health & Rehabilitation):433-440. doi:10.71000/4pxhmq41