Criteria for species determination in the 'revolutum' group of Echinostoma.
Fried
Bernard
B
Department of Biology, Lafayette College, Easton, Pennsylvania 18042, USA. friedb@lafayette.edu
Toledo
Rafael
R
D000818:Animals; D004449:Echinostoma / Q000033:anatomy & histology / Q000145:classification*; D004451:Echinostomiasis / Q000469:parasitology*; D006790:Host-Parasite Interactions; D013045:Species Specificity