1Chungnam Development Institute, Gongju 314-140, Korea.
2Department of Parasitology, Dankook University College of Medicine, Cheonan 330-714, Korea.
3Department of Parasitology, Biomedical Center for Brain Korea 21 and Institute of Health Science Gyeongsang National University School of Medicine, Jinju 660-751, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/