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) Elias Zintzaras,Maternal gene polymorphisms involved in folate metabolism and risk of Down syndrome offspring: a meta-analysis,Journal of human genetics,14345161,Tokyo : Springer Nature,2007,52,11,943-953,https://cir.nii.ac.jp/crid/1523669555460299520,