Immunological responses of the mammalian host against tapeworm infections. IV. Species specificity of hexacanth embryos in protecting sheep against Echinococcus granulosus.
D000818:Animals; D004443:Echinococcosis / Q000276:immunology*; D004622:Embryo, Mammalian; D005260:Female; D010063:Ovum; D012756:Sheep; D013045:Species Specificity; D014611:Vaccination