The dynamics of the host-parasite relationship. VII. The effect of discontinuity of infection onesistance to Haemonchus contortus in sheep.
D000818:Animals; D004463:Ecology; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*; D014251:Trichostrongyloidea / Q000276:immunology*; D014252:Trichostrongyloidiasis / Q000276:immunology*