国際会議 2020年1月 Relationship between social capital and living conditions of households composed of elderly couples 23rd East Asian Forum of Nursing Scholars Kosuke Kawamura, Emi Tokura, Yuki Takenaka, Mikiyasu Tanabe, Hiroko Ito, Chisa Kimura, Tsukasa Miyama, Taeko Hori, Kenya Matsumoto