Development of the Japanese 15D Instrument of Health-Related Quality of Life: Verification of Reliability and Validity among Elderly People 論文 Nozomi Okamoto・Akinori Hisashige・Yuu Tanaka・Norio Kurumatani ·2013-04-16 ·『PLoS ONE』 8(4) pp. e61721-e61721 doi:10.1371/journal.pone.0061721