title: Resisting resistance.
authors: M J
authors: MJ
authors: Stear
authors: S
authors: S
authors: Strain
mesh_terms: D000818:Animals; D007113:Immunity, Innate; D010029:Ostertagiasis / Q000276:immunology / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology / Q000469:parasitology