Suresh Kumar , Lubna Meraj , Ijaz Akhter, Iffat Sultana , Mazhar A. Mufti , Khawaja. 2014. “Circadian Variation in the Onset of Acute Ischemic Stroke”. Journal of Rawalpindi Medical College 18 (2). https://www.journalrmc.com/index.php/JRMC/article/view/333.