Kumae, T., Arakawa, H., Suzukawa, K., Ishizaki, K., & Uchiyama, I. (1997). A study on serum enzyme activity levels and subjective fatigue scores in University Ekiden runners. Japanese journal of physical fitness and sports medicine, 46(2), S. 189-199.

Kumae, T., H. Arakawa, K. Suzukawa, K. Ishizaki, and I. Uchiyama. "A study on serum enzyme activity levels and subjective fatigue scores in University Ekiden runners." Japanese journal of physical fitness and sports medicine 46, no. 2 (1997): S. 189-199.

Kumae, T., et al. "A study on serum enzyme activity levels and subjective fatigue scores in University Ekiden runners." Japanese journal of physical fitness and sports medicine 46.2 (1997): S. 189-199.