@article{oai:tsukuba.repo.nii.ac.jp:00036121, author = {武田, 文 and TAKEDA, Fumi and Noguchi, Haruko and Monma, Takafumi and 田宮, 菜奈子 and TAMIYA, Nanako}, issue = {10}, journal = {PLOS ONE}, month = {Oct}, title = {How Possibly Do Leisure and Social Activities Impact Mental Health of Middle-Aged Adults in Japan?: An Evidence from a National Longitudinal Survey}, volume = {10}, year = {2015}, yomi = {タケダ, フミ and タミヤ, ナナコ} }