Niaz, Zafar, Anjum Razzaq, Muhammad Latif, Bilal Aziz, Tazeen Nazar, Shoaib Luqman, Jalalud Din, Nabeel A Aman, Zahid H Shah, Azizur Rehman, Sajid Abaidullah, and Mumtaz Hasan. “Atrial Fibrillation in Mitral Stenosis and Its Correlation With Age, Sex & Clinical Symptoms”. Annals of King Edward Medical University 11, no. 3 (April 11, 2016). Accessed August 4, 2021. https://annalskemu.org/journal/index.php/annals/article/view/999.