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) GYDE SN,Colorectal cancer in ulcerative colitis : a cohort study of primary referrals from three centres,Gut,,,1988,29,,206-217,https://cir.nii.ac.jp/crid/1574231876101608064,