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) TANAKA S,Main pancreatic duct dilatation: a sign of high risk for pancreatic can-cer,Jpan J Clin Oncol,,,1996,26,,422-7,https://cir.nii.ac.jp/crid/1572824499123776128,