Maintenance and Improvement of Quality of Life among Elderly Patients Using a Pet-Type Robot. 論文 Masao Kanamori・Mizue Suzuki・Misao Tanaka ·2002-01-01 ·『Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics』 39(2) pp. 214-218 doi:10.3143/geriatrics.39.214