@phdthesis{oai:nagoya.repo.nii.ac.jp:00030999,
 author = {Nishio, Ryo and 西尾, 亮},
 month = {Nov},
 school = {名古屋大学, NAGOYA University},
 title = {Double-balloon endoscopic retrograde cholangiopancreatography for patients who underwent liver operation: A retrospective study},
 year = {2020}
}