Amir Taj Khan, Kalim Ullah Khan, Muhammad Ishfaq, Naveed Ahmad, Muhammad Khalid, Muhammad Zubair Khan, Izhar Ahmad 2022. Frequency of Vitamin D Deficiency among Patients Presenting with Stroke. Pakistan Journal of Medical & Health Sciences. 16, 07 (Sep. 2022), 731. DOI:https://doi.org/10.53350/pjmhs22167731.