Higuchi, M., Ishii, K., Itoh, A., Oishi, K., Iwaoka, K., Kobayashi, S., & Itoh, R. (1990). Iron status and nutritional profile in pre- and post-menopausal middle-aged runners. Bulletin of the Physical Fitness Research Institute, 75, S. 109-118.

Higuchi, M., K. Ishii, A. Itoh, K. Oishi, K. Iwaoka, S. Kobayashi, and R. Itoh. "Iron status and nutritional profile in pre- and post-menopausal middle-aged runners." Bulletin of the Physical Fitness Research Institute 75 (1990): S. 109-118.

Higuchi, M., et al. "Iron status and nutritional profile in pre- and post-menopausal middle-aged runners." Bulletin of the Physical Fitness Research Institute 75 (1990): S. 109-118.