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) Takao Itoi and Kazuo Takei and Yasushi Shinohara,K-ras codon 12 and P53 mutations in biopsy specimens and bile from bilialy tract cancers,Pathology International,13205463,Carlton South,1999-01,49,1,30-37,https://cir.nii.ac.jp/crid/1520009408430058624,