@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},
 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}
}