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3件 (「Open Data」)
Megumi Ueno・Sachio Kawai・Tairai Mino・Hiroshi Kamoshita ·2006-01-01 ·『Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics』 43(1) pp. 92-101
Jae Jung Song ·2000-03-01 ·『Language』 76(1) pp. 225-226