Paracha AI, Muhammad Qaiser Alam Khan, Muhammad Younas, Zujaja Hina Haroon, Muhammad Anwar, Muhammad Usman Munir. Serum Vitamin D Testing – A Necessity Or An Injudicious Expenditure. Pak Armed Forces Med J [Internet]. 2024 Oct. 31 [cited 2025 Oct. 9];74(5):1441-4. Available from: https://www.pafmj.org/PAFMJ/article/view/11656