RT Journal Article SR Electronic(1) A1 Badawi, AlaaYR 2013 T1 Prevalence of vitamin D insufficiency in Qatar JF , VO 2013 IS 1 OP SP BIOP-070 DO https://doi.org/10.5339/qfarf.2013.BIOP-070 PB Hamad bin Khalifa University Press (HBKU Press), SN 2220-251X, AB , UL https://www.qscience.com/content/papers/10.5339/qfarf.2013.BIOP-070