Association between participation in social activity and physical fitness in community-dwelling older Japanese adults. 論文 Yuka Haeuchi・Takanori Honda・Tao Chen・Kenji Narazaki・Sanmei Chen・Shuzo Kumagai ·2016-01-01 ·『PubMed』 63(12) pp. 727-737 doi:10.11236/jph.63.12_727