Miku Izutsu, Kengo Hirayama, Ya Su, Michiko Yuki. Risk factors for oral frailty among community-dwelling pre-frail older adults in Japan: A cross-sectional analysis. Community Dental Health. 2023. 40. 4. 221-226
Kengo Hirayama, Tomoki Kuribara, Miho Oshikiri. Experiences of the older spousal caregivers of patients with cancer during palliative chemotherapy: a qualitative descriptive study. BMC Palliative Care. 2023. 22. 1