1Department of Medical Environmental Biology, College of Medicine, Chung-Ang University, Seoul 156-756, Korea.
2Department of Biochemistry, College of Natural Science, Chungbuk National University, Chungbuk 361-763, Korea.
3Department of Laboratory Medicine, Cheju Halla General Hospital, Jeju 690-766, Korea.
4Department of Parasitology, College of Medicine, Inha University, Incheon 405-751, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/