1. Chapter 10. Digenea (phylum Platyhelminthes);Paperna,2006
2. Immunology and pathology of intestinal Trematodes in their definitive hosts;Toledo,2006
3. Digenea (endoparasitic flukes);Cribb,2005
4. Chapter 9 - general characteristics of the Trematoda;Bogitsh,2013
5. Chapter 13: Diseases of Mollusca: Bivalvia;Lauckner,1983