Affiliation: | 1. Department of Chemistry , Konyang University , Nonsan, 320-711, Korea;2. Department of Physics , Chungnam National University , Taejon, 305-764, Korea;3. Korea Ginseng &4. Tobacco Research Institute , Taejon, 305-345, Korea;5. Department of Clinical Pathology , College of Medicine, Dankuk University , Cheonan, 330-714, Korea |