H., Niknam1M., Shahroodi2F., . Keshavarz3,, . Hemmati4 T.2023-05-092023-05-092018-05-01M. Shahroodi2, F. Keshavarz3, T. Hemmati4.PREVALENCE OF VITAMIN D DEFICIENCY IN PEOPLE AGED 18 OLD REFERRED TO YASUJ LAB IN WINTER OF 2017. Journal of Fundamental and sciences. vol.10, no 2. May 2018. Faculty of exact sciences. university of el oued. [visited in 01/05/2018. available from [Toobahemmati.niazhemati@gmail.com]https://dspace.univ-eloued.dz/handle/123456789/22464ARETICALThe prevalence of vitamin D deficiency in all subjects was 40.9% and the prevalence was almost three times higher in men than men, but in all age groups, there was a high prevalence of vitamin D deficiency among unemployed people, Vitamin D deficiency was more common.enArticle