Institution: | a College of Pharmacy, Yeungnam University, 214-1 Dae-Dong, Gyeongsan 712-749, South Korea b School of Chemical Engineering and Technology, Yeungnam University, Gyeongsan 712-749, South Korea c Research Center, Green Cross Corp., 341, Bojeong-Dong, Giheung-Gu, Yongin City, Gyunggi-Do 446-799, South Korea d Department of Immunology, School of Medicine, Keimyung University, 194 DongSan-Dong, Jung-Gu, Taegu 700-712, South Korea |