著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Ohtaka,Ribonucleotide reductase subunit M1 is a possible chemoresistance marker to gemcitabine in biliary tract carcinoma,Oncol. Rep.,,,2008,20,,279,https://cir.nii.ac.jp/crid/1370287219268366347,