1. Medical Research Division, Korea Institute of Oriental Medicine, Daejeon 305-811, Republic of Korea
2. Herbal Medicine Formulation Research Group, Korea Institute of Oriental Medicine, Daejeon 305-811, Republic of Korea
3. Department of Histology, College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Republic of Korea
4. Jeonju Biomaterials Institute, Jeonju 561-360, Republic of Korea