Aohagi ,Y. ,Shibahara ,T. ,Machida ,N. ,Yamaga ,Y. ,Kagota ,K. ,Hayashi ,T. (1992)Natural infections of Clinostomum complanatum(Trematoda:,Clinostomatidae)in the wild herons and egrets ,Tottori prefecture ,Japan ,Journal of Wildlife Diseases ,28(3) ,pp. 470-471.