title: Observations on the infection of bulinid snails with Schistosoma mattheei. II. The mechanism of resistance to infection.
mesh_terms: D000818:Animals; D006224:Cricetinae; D004463:Ecology; D007814:Larva / Q000254:growth & development; D051379:Mice; D012547:Schistosoma / Q000033:anatomy & histology / Q000254:growth & development / Q000502:physiology; D012552:Schistosomiasis; D012908:Snails; D013045:Species Specificity; D013997:Time Factors