1. Notes on the eggs and miracidia of the human schistosomes;Cort;University of California Publications in Zoology,1919
2. The preparation of cultured cells and soft tissues for scanning electron microscopy;Porter,1972
3. Schistosoma mansoni eggs: an electron microscopic study of shell pores and microbarbs;Race,1969
4. Scanning and transmission electron microscopy of Schistosoma eggs, cercariae and adults;Race;American Journal of Tropical Medicine and Hygiene,1971