Obaid, Ali Abdul Razzak, and Mohammed Jalal Hussein. “Vitamin D Deficiency Insufficiency and Some of Its Related Factors in a Sample of Iraqi Pregnant Women and Their Neonates at Al-Elwiya Maternity Teaching Hospital During 2019”. AL-Kindy College Medical Journal, vol. 17, no. 3, Dec. 2021, pp. 194-5, https://doi.org/10.47723/kcmj.v17i3.673.