Fujiwara Y; Amano H; Mori S; Watanabe S; Kumagai S; Yoshida Y; Kim J; Takabayashi K; Yoshida H; Ishihara M; Eguchi F; Fuse S; Morita M; Nagai H; Shinkai S
[Nihon koshu eisei zasshi] Japanese journal of public health Japanese Society of Public Health 50 (8) 739 - 748 0546-1766 2003/08 [Refereed]