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) ITO Y,Prognostic significance of extrathyroid extension of papillary thyroid carcinoma : massive but not minimal extension affects the relapse-free survival,World J Surg,,,2006,30,,780-786,https://cir.nii.ac.jp/crid/1570854175823408640,