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) HANSELAAR A,Clear cell adenocarcinoma of the vagina and cervix. An update of the Central Netherlands Registry showing twin age incidence peaks,Cancer,,,1997,79,,2229-2236,https://cir.nii.ac.jp/crid/1570009750654140800,