Relative validity of brief-type self-administered diet history questionnaire among very old Japanese aged 80 years or older 論文 Satomi Kobayashi・Xiaoyi Yuan・Satoshi Sasaki・Yusuke Osawa・Takumi Hirata・Yukiko Abe・Michiyo Takayama・Yasumichi Arai・Yukie Masui・Tatsuro Ishizaki ·2018-10-02 ·『Public Health Nutrition』 22(2) pp. 212-222 doi:10.1017/s1368980018002331