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) Syuichi Ooki,Birth Defects in Singleton versus Multiple ART Births in Japan (2004–2008),Journal of Pregnancy,2090-2727,Wiley,2011,2011,,1-8,https://cir.nii.ac.jp/crid/1360004236339364608,https://doi.org/10.1155/2011/285706