title: The pattern of antagonism between Echinostoma hystricosum and Hypoderaeum dingeri in the snail host.
mesh_terms: D000818:Animals; D000898:Antibiosis; D004449:Echinostoma / Q000502:physiology*; D004463:Ecology; D007814:Larva; D008195:Lymnaea; D013045:Species Specificity