Affiliation: | 1. Graduate Center for Toxicology, College of Medicine, University of Kentucky, Lexington, KY 40536, USA;2. Institute of Oral Biosciences and BK21 Program, Research Center of Bioactive Materials, Chonbuk National University, Jeonju 561-756, South Korea;3. Department of Internal Medicine, University of Kentucky College of Medicine, Lexington, KY 40536, USA |