1Department of Parasitology and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju 660-751, Korea.
2Department of Parasitology, College of Medicine, Hallym University, Chuncheon 200-702, Korea.
3Department of Parasitology, Kyungpook National University School of Medicine, Daegu 700-422, Korea.
4Laboratory of Parasitology, Instituto Superiore di Sanita, 00161 Rome, Italy. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/