@article{oai:tsukuba.repo.nii.ac.jp:00045964, author = {佐藤, 浩昭 and Okauchi, S. and Hagimoto, S. and Osawa, H. and Ohara, G. and Satoh, H.}, issue = {2}, journal = {European Geriatric Medicine}, month = {Apr}, note = {Letter to the editor}, title = {Afatinib for an elderly patient with chronic kidney disease}, volume = {8}, year = {2017} }