A. . Raza, A. . Sharif, M. . Fayyaz Zafar, S. . Azeem, and M. . Arslan Aslam, “Frequency of Poor & Good Coronary Collateral Circulation in patients of Non-ST Segment Elevation Myocardial Infarction & to compare mean Platelet –Lymphocyte ratio with good & poor coronary collateral circulation”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 02, p. 151, Mar. 2022.