Al-Arifa, Najiya, Noor ul Huda, and Samra Atta Ullah. “Survey of Vitamin D Deficiency and Associated Comorbidities in Lahore”. MARKHOR (The Journal of Zoology) 2, no. 2 (December 31, 2021): 18–23. Accessed December 4, 2024. https://markhorjournal.com/index.php/mjz/article/view/5.