@phdthesis{oai:nagoya.repo.nii.ac.jp:00029637,
 author = {Ohiwa, Takashi and 大岩, 孝},
 month = {Mar},
 school = {名古屋大学, Nagoya University},
 title = {Occult synchronous liver metastasis from perihilar cholangiocarcinoma},
 year = {2020}
}