Sarwar, N., K. Raja, S. Uruj, S. Khan, and A. Hussain. “Vitamin D Status in Acute Ischemic Stroke: Relation To Initial Severity and Short-Term Outcome”. Pakistan Armed Forces Medical Journal (PAFMJ), Vol. 72, no. 1, Feb. 2022, pp. 173-76, doi:10.51253/pafmj.v72i1.6686.