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) Khulood Othman Alyahya,Vitamin D levels in schoolchildren: a cross-sectional study in Kuwait,BMC Pediatrics,1471-2431,Springer Science and Business Media LLC,2017-12,17,1,213,https://cir.nii.ac.jp/crid/1364233270899655424,https://doi.org/10.1186/s12887-017-0963-0