Institution: | (1) Department of Microbiology, School of Dentistry and Research Institute for Oral Biotechnology, Pusan National University, Busan, 602-739, Korea;(2) Department of Microbiology, Chonnam National University, Gwangju, 501-757, Korea;(3) Cardiovascular Research Institute, Chonnam National University, Gwangju, 501-757, Korea |