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) Yoshiko Nakayama and Naoki Tanaka and Masashi Kajiyama and Hideyasu Fujii and Akira Horiuchi,"Usefulness of a Small-Caliber, Variable-Stiffness Colonoscope as a Backup in Patients with Difficult or Incomplete Colonoscopy",The American Journal of Gastroenterology,0002-9270,Ovid Technologies (Wolters Kluwer Health),2004-10-01,99,,1936-1940,https://cir.nii.ac.jp/crid/1873116917909706624,https://doi.org/10.1111/j.1572-0241.2004.40201.x