R. Hioki

Cancer mortality and serum levels of carotenoids, retinol, and tocopherol: a population-based follow-up study of inhabitants of a rural area of Japan.

Koji Suzuki, Yoshinori Ito, K. Aoki, 2005, Asian Pacific journal of cancer prevention : APJCP.

Relation of Serum C-reactive Protein Level to Obesity and Fat Distribution in Japanese

N. Hamajima, Koji Suzuki, J. Ochiai, 2005 .

Association of abdominal obesity with decreased serum levels of carotenoids in a healthy Japanese population.

N. Hamajima, Koji Suzuki, J. Ochiai, 2006, Clinical nutrition.

Determination of vitamin B12 using the enzyme glycerol dehydrase

S. Yamada, N. Nishikawa, R. Hioki, 2004, Scandinavian journal of clinical and laboratory investigation.