著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Hirahara F,Folate metabolism and congenital abnormalities,Acta Obstetrica Gynaecologica Japonica,,,2002,54,,N238,https://cir.nii.ac.jp/crid/1370284921347501313,