Chowdhury, SN, N Sultana, AH Chowdhury, P Mazumder, N Sharmin, and T Rahman. “Association of Serum Calcium With Acute Myocardial Infarction”. Bangladesh Journal of Medical Biochemistry 8, no. 1 (July 23, 2017): 16–20. Accessed August 17, 2022. https://banglajol.info/index.php/BJMB/article/view/33272.