Yadav, Anil, Shahjada Selim, Tahniyah Haq, Anil Kumar Shah, Md Shahed Morshed, Md Habibul Ghani, Ibrahim Faisal, et al. “Vitamin D Level in Healthy Bangladeshi Adults- A Pilot Study”. Journal of Medicine 23, no. 2 (July 24, 2022): 139–145. Accessed April 12, 2025. https://banglajol.info/index.php/JOM/article/view/60631.