Mansi, Qusay H., and Afifa Aziz. “Detect of Vitamin-D Deficiency in Children Under Five Years With Type 1 Diabetes Mellitus at Diabetes and Endocrinology Center in Al- Nasiriya City ”. Kufa Journal for Nursing Sciences, vol. 11, no. 1, June 2021, pp. 173-81, doi:10.36321/kjns.vi20211.457.