1Department of Internal Medicine, Pusan National University, Yangsan 626-870, Korea.
2Department of Parasitology, School of Medicine, Pusan National University, Yangsan 626-870, Korea.
3Medical Research Institute, Pusan National University Hospital, Busan 626-813, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/