Fasciola hepatica: role of developmental stages in the rat's resistance to challenge.
D000818:Animals; D002417:Cattle / Q000469:parasitology; D005210:Fasciola hepatica / Q000254:growth & development* / Q000276:immunology; D005211:Fascioliasis / Q000276:immunology* / Q000469:parasitology; D007279:Injections, Subcutaneous; D051381:Rats; D011915:Rats, Inbred BUF; D012756:Sheep / Q000469:parasitology