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) CZEIZEL A. E.,Folic acids in the prevention of neural tube defects,J. Pediatric Gastroenterol. Nutr.,,,1995,20,,4-16,https://cir.nii.ac.jp/crid/1571980076105200000,https://doi.org/10.1097/00005176-199501000-00003