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) M. H. Kim and S. K. Lee and M. H. Lee and S. J. Myung and B. M. Yoo and D. W. Seo and Y. I. Min,Endoscopic Retrograde Cholangiopancreatography and Needle-Knife Sphincterotomy in Patients with Billroth II Gastrectomy: A Comparative Study of the Forward-viewing Endoscope and the Side-viewing Duodenoscope,Endoscopy,0013-726X,Georg Thieme Verlag KG,1997-02,29,02,82-85,https://cir.nii.ac.jp/crid/1363951795165295872,https://doi.org/10.1055/s-2007-1004080