Institution: | 1. Department of Industrial Chemistry , Chiba Institute of Technology , Tsudanuma, Narashino, Chiba, 275, Japan;2. Department of Microbiology and Immunology , Kagoshima University Dental School , Sakuragaoka, Kagoshima, 890, Japan;3. Rational Drug Design Laboratories (R.D.L) , Misato, Matsukawa, Fukushima, 960-12, Japan |