MAHMOOD, K, M A NADEEM, T WASEEM, T H MAHMUD, and A H KHAN. “A Study of Underlying Cardiac and Non-Cardiac Risk Factors in Patients With Atrial Fibrillation”. Annals of King Edward Medical University 5, no. 2 (June 12, 2020): 199–201. Accessed May 10, 2024. https://www.annalskemu.org/journal/index.php/annals/article/view/3351.