Begum, Suraiya, Kohinoor Jahan Shyamaly, Baraka Badrudduza Tithi, Romana Omana Ahkter, Rukhsana Parvin, Muhammad Rejaul Karim, and Ismat Ara Jannat. “Management of Vitamin D Deficiency in Children: An Update”. Bangladesh Journal of Child Health 43, no. 3 (October 7, 2020): 165–173. Accessed December 22, 2024. https://banglajol.info/index.php/BJCH/article/view/49576.