@article{oai:soar-ir.repo.nii.ac.jp:02001318, author = {Otuka, Risa and Kamimura, Tomoko and Tomita, Takeshi}, issue = {1}, journal = {信州医学雑誌}, month = {Feb}, note = {Article, 信州医学雑誌 71(1) : 53-61, (2023)}, pages = {53--61}, title = {The Changes in Frailty and Death within Six Months of Discharge in Heart Failure Patients 80 Years and Older}, volume = {71}, year = {2023} }