Kiura, H., Sano, K., Morimatsu, S., Nakano, T., Morita, C., Yamaguchi, M., Maeda, T. and Katsuoka, Y. : Bactericidal activity of electrolyzed acid water from solution containing sodium chloride at low concentration, in comparison with that at high concentration. J. Microbiol. Methods, 49 :285-293, 2002 （2001年度産学連携研究契約による）.