Siddiqui, Salamn S, S Neyaz Hasan, Tanu Aggarwal, and Deepankar. “A COMPARISON OF 12 LEAD ECG STATUS OF TOBACCO SMOKERS, TOBACCO CHEWERS AND NONTOBACCO USERS”. National Journal of Medical Research 3, no. 03 (September 30, 2013): 203–205. Accessed November 23, 2024. https://njmr.in/index.php/file/article/view/625.