Nath, Dinesh, Meera Shivasekar, and V.M. Vinodhini. “Association of Circulating Matrix Metalloproteinase-9 and the Risk of Coronary Heart Disease in Young Smokers”. Malaysian Journal of Medicine and Health Sciences 19, no. 4 (July 31, 2023): 21–27. Accessed October 28, 2025. http://mjmhsojs.upm.edu.my/index.php/mjmhs/article/view/19.