Burden on family caregivers of frail elderly persons one year after the introduction of public long term care insurance service in the Onga District, Fukuoka Prefecture: evaluation with a Japanese version of the Zarit caregiver burden interview 論文 Masakazu Washio・Yumiko Arai・Hisako Izumi・Mitsuru Mori ·2003-01-01 ·『Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics』 40(2) pp. 147-155 doi:10.3143/geriatrics.40.147