1Department of Parasitology, College of Medicine, Chung-Ang University, Seoul 156-756, Korea.
2Department of Parasitology, Gyeongsang National University College of Medicine, Jinju 660-751, Korea.
3Ryujaehwa Internal Medicine Clinic, Bangu-dong 446, Chung-gu, Ulsan 681-261, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/