Enhancement of sense of coherence and natural killer cell activity occurred in subjects who improved exercise habits through health education in workplace.

Hiroyuki Nakamura, Ichiyo Matsuzaki, Shinichiro Sasahara, Kotaro Hatta, Hidefumi Nagase, Yoshiko Oshita, Yukie Ogawa, Yoshitaka Nobukuni, Yasuhiro Kambayashi, and Keiki Ogino. 

Journal of Occupational Health 

45

5

278

285