Tamaki Hirose, Yohei Sawaya, Masahiro Ishizaka, Naori Hashimoto, Akira Kubo, Tomohiko Urano. Prevalence and factors associated with changes in frailty among community-dwelling older adults in Japan during the <scp>COVID</scp>-19 pandemic: A prospective cohort study from 2020 to 2022. Geriatrics & Gerontology International. 2023
Minami Sato, Akira Kubo, Sho Tsukahara, Shunya Numaguchi, Masahiro Ishizaka. Phase angle as a prognostic factor for one-year mortality in geriatric health service facility residents. Journal of physical therapy science. 2023. 35. 11. 733-737
Akihiro Yakabi, Miyoko Watanabe, Masahiro Ishizaka, Masafumi Itokazu, Akira Kubo. Improvement of frailty prevalence: difference in factors affecting frailty prevalence among 75 year-old individuals between 2006 and 2019. Journal of physical therapy science. 2023. 35. 11. 727-732