Kanwal Abbas Bhatti, Noor Nabi Siyal, Altaf Hussain Memon, Ghulam Muhammad Phull, Hanozia Hassan, Mukhtiar Ahmed Abro. “A Comparative Study of ECG and Blood Pressure Among Smokers and Non-Smokers”. Pakistan Journal of Medical & Health Sciences 16, no. 03 (April 27, 2022): 635. Accessed July 17, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/571.