A Bacteriological Study on the Safety of Food and Drink (part5) ~The Subject of Vegetable Salad and Sandwich~. Journal of Tokyo Kasei Gakuin University. 2004. 44, 9-17
Study on the bone density in residents of Hayakawa town, Yamanashi Prefecture. Journal of Tokyo Kasei Gakuin University. 2003. 43, 27-36