4Lee SH, Hong SJ, Chai JY, et al. Tegumental ultra structures of Echinostoma hortense observed by scan ning electron microscopy[J]. The Koren Journal of Par asitology, 1986,24(1) :63-70.
5Chang YD, Sohn WM, Ryu JH,et al. A human infec tion of Echinostoma hortense in duodenal bulb diag nosed by endoseopy[J]. The Koren Journal of Parasi tology,2005,43(2) :57-60.