Khan, Zahoor Aslam, et al. “CORRELATION OF GLOBAL REGISTRY OF ACUTE CORONARY EVENTS (GRACE) WITH THE ANGIOGRAPHIC SEVERITY AND EXTENT OF CORONARY ARTERY DISEASE IN PATIENTS WITH NON- ST ELEVATION ACUTE CORONARY SYNDROME”. Pakistan Armed Forces Medical Journal, vol. 1, no. 1, Feb. 2022, pp. S19-21, https://pafmj.org/PAFMJ/article/view/8140.