Ali, G. S., Najeeb, M. K., Jubrail, A. M. S., & Selamoğlu, Z. (2019). A Study of Vitamin D and Calcium Level in Beta Thalassemia Major in Duhok Province. Turkish Journal of Agriculture - Food Science and Technology, 7(11), 1924–1927. https://doi.org/10.24925/turjaf.v7i11.1924-1927.2893