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) HAY I,Papillary thyroid microcarcinoma : a study of 900 cases observed in a 60-year period,Surgery,,,2008,144,,980-987,https://cir.nii.ac.jp/crid/1571698600688044416,