Schistosoma mansoni: resistance to reinfection in the rat.
D000818:Animals; D001700:Biomphalaria; D008099:Liver / Q000469:parasitology; D051379:Mice; D051381:Rats; D012550:Schistosoma mansoni; D012552:Schistosomiasis / Q000276:immunology* / Q000469:parasitology