1Department of Internal Medicine, Sun General Hospital, Daejeon 301-131, Korea.
2Department of Internal Medicine, Eulji University School of Medicine, Daejeon 301-131, Korea.
3Department of Parasitology, College of Medicine, Chungnam National University, Daejeon 301-131, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/