title: Antagonism of Echinostoma liei (Trematoda: Echinostomatidae) against the trematodes Paryphostomum segregatum and Schistosoma mansoni.
mesh_terms: D000818:Animals; D001700:Biomphalaria / Q000469:parasitology; D004449:Echinostoma / Q000254:growth & development*; D007814:Larva / Q000254:growth & development; D010572:Pest Control, Biological; D012550:Schistosoma mansoni / Q000254:growth & development* / Q000472:pathogenicity; D014200:Trematoda / Q000254:growth & development*