Relationships of some larval strigeids and echinostomes (Trematoda): hyperparasitism, antagonism, and "immunity" in the snail host.
D000367:Age Factors; D000818:Animals; D004449:Echinostoma / Q000254:growth & development; D007109:Immunity; D007814:Larva; D010271:Parasites; D012908:Snails / Q000276:immunology*; D013045:Species Specificity; D014200:Trematoda / Q000254:growth & development