Debnath, R., M. Siddique, S. Haque, S. Banerjee, C. Ahmed, M. Mahmood, M. Rahman, S. Habib, and M. Alam. “Role of ETT to Diagnose Coronary Artery Disease”. Mymensingh Medical Journal, vol. 20, no. 4, Oct. 2012, pp. 600-4, https://banglajol.info/index.php/MMJ/article/view/12394.