title: Studies on the pathogenicity of Cooperia curticei for sheep.
mesh_terms: D000818:Animals; D008297:Male; D009349:Nematode Infections / Q000209:etiology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000209:etiology*; D013320:Strongyloidea / Q000472:pathogenicity*