Akhtar, Asif, Mukesh Rana, and Sanjeev Kumar Pandey. 2021. “Study of Association of Ischaemic Stroke and Serum 25-Hydroxyvitamin-D Levels”. International Journal of Health and Clinical Research 4 (1):82-86. https://www.ijhcr.com/index.php/ijhcr/article/view/701.