Institution: | a Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, San 56-1, Shillim-dong, Gwanak-gu, Seoul 151-742, Republic of Korea b Department of Food and Nutrition, Chung-Ang University, Nae-Ri 72-1, Daedeok-Myeon 456-756, Gyeonggi-Do, Republic of Korea c College of Oriental Medicine, Kyunghee University, 1 Hoegi-dong, Dongdaemun-ku, 130-701 Seoul, Republic of Korea d Department of Veterinary and Biomedical Sciences and Nebraska Center for Virology, University of Nebraska-Lincoln, NE 68583-0905, USA |