Associations of urinary and dietary sodium-to-potassium ratios with albuminuria in community-dwelling Japanese adults: a cross-sectional study by Keiko Kabasawa, Ribeka Takachi, Kazutoshi Nakamura, Norie Sawada, Shoichiro Tsugane, Yumi Ito, Junta Tanaka, Ichiei Narita, Kunihiro Matsushita

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Education, household income, and depressive symptoms in middle-aged and older Japanese adults by Aya Hinata, Keiko Kabasawa, Yumi Watanabe, Kaori Kitamura, Yumi Ito, Ribeka Takachi, Shoichiro Tsugane, Junta Tanaka, Ayako Sasaki, Ichiei Narita, Kazutoshi Nakamura

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The Murakami Cohort Study of vitamin D for the prevention of musculoskeletal and other age-related diseases: a study protocol by Kazutoshi Nakamura, Ribeka Takachi, Kaori Kitamura, Toshiko Saito, Ryosaku Kobayashi, Rieko Oshiki, Yumi Watanabe, Keiko Kabasawa, Akemi Takahashi, Shoichiro Tsugane, Masayuki Iki, Ayako Sasaki, Osamu Yamazaki

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