Akio Koizumi

A prospective cohort study of shift work and risk of ischemic heart disease in Japanese male workers.

Yoshihisa Fujino, Akiko Tamakoshi, Tatsuhiko Kubo, 2006, American journal of epidemiology.

Walking and sports participation and mortality from coronary heart disease and stroke.

Hiroyuki Noda, Yoshiyuki Watanabe, Akiko Tamakoshi, 2005, Journal of the American College of Cardiology.