Ahsan, N., Shahbaz, L., Asim, S., Erum, H., Ansari, M. A., & Javaid, A. (2025). Serum Vitamin B12 as a Risk Factor and Prognostic Indicator in Acute Ischemic Stroke: A Case-Control Study at a Tertiary Care Hospital Mirpurkhas (Sindh): Serum Vitamin B12 as a Risk Factor and Prognostic Indicator in Acute Ischemic Stroke. Pakistan Journal of Health Sciences, 6(1), 331–336. https://doi.org/10.54393/pjhs.v6i1.2430