Malek, Mohammad Abdul, Sayed Asif Iqbal, AFM Shamsul Haque, Sayeda Aleya Sultana, Md Waliur Rahman, and Md Mukhlesur Rahman. “Correlation Between Abnormal Signal-Averaged ECG and Left Ventricular Ejection Fraction in Patients of Acute Myocardial Infarction Within Seven Days of Sustaining the Infarction”. University Heart Journal 17, no. 1 (December 21, 2020): 3–9. Accessed April 25, 2024. https://banglajol.info/index.php/UHJ/article/view/50873.