著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Ibrahim M. Kaddam and Adnan M. Al-Shaikh and Bahaa A. Abaalkhail and Khalid S. Asseri and Yousef M. Al-Saleh and Ali A. Al-Qarni and Ahmed M. Al-Shuaibi and Waleed G. Tamimi and Abdelmoneim M. Mukhtar,Prevalence of vitamin D deficiency and its associated factors in three regions of Saudi Arabia,Saudi Medical Journal,0379-5284,Saudi Medical Journal,2017-04,38,4,381-390,https://cir.nii.ac.jp/crid/1363951793226935552,https://doi.org/10.15537/smj.2017.4.18753