Mohammed, L.Y. et al. 2021. Prevalence of Vitamin D deficiency and associated risk factors among General Populations in Duhok province, Kurdistan Region, Iraq: Prevalence of Vitamin D deficiency in Duhok Province, Iraq. Journal of Contemporary Medical Sciences. 7, 6 (Oct. 2021). DOI:https://doi.org/10.22317/jcms.v7i6.1073.