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) WEST K. P. Jr.,Extent of vitamin A deficiency among preschool children and women of reproductive age,J. Nutr.,,,2002,132,,2857S-2866S,https://cir.nii.ac.jp/crid/1570009750142753792,