title: The strength and duration of immunity to Dictyocaulus filaria infection in sheep and goats.
mesh_terms: D000818:Animals; D004022:Dictyocaulus Infections / Q000276:immunology*; D004802:Eosinophilia / Q000662:veterinary; D005260:Female; D006041:Goats; D007110:Immunity, Active; D007275:Injections, Intravenous; D007601:Jugular Veins; D007958:Leukocyte Count; D008168:Lung / Q000473:pathology; D008198:Lymph Nodes / Q000473:pathology; D009348:Nematoda / Q000254:growth & development / Q000472:pathogenicity; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*; D014611:Vaccination / Q000662:veterinary