Vytryhovskiy, A. I., S. V. Fedorov, and N. M. Kylaec. “Risk of Life-Threatening Arrhythmias in Smoking Patients”. Zaporozhye Medical Journal, no. 3 (May 5, 2017). Accessed December 2, 2024. http://zmj.zsmu.edu.ua/article/view/100591.