Rahman, Md Zillur, Md Musaddequl Alam, Dipankar Chandra Nag, Md Shahadat Hossain, and Md Mahbubur Rahman. “Prognostic Correlation Between Electrocardiographic QRS Duration and Echocardiographic Left Vertricular Systolic Function in Patients With NSTEMI”. Journal of Dhaka National Medical College & Hospital 30, no. 1 (March 30, 2024): 23–28. Accessed October 11, 2025. https://banglajol.info/index.php/JDNMCH/article/view/81250.