“Correlation of the ECG Changes With Coronary Angiographic Findings in Patients of Unstable Angina”. Journal of Dhaka National Medical College & Hospital 24, no. 2 (September 30, 2018): 14–18. Accessed July 5, 2026. https://www.banglajol.info/index.php/JDNMCH/article/view/80035.