title: Nematodirus species in New England lambs.
mesh_terms: D000818:Animals; D005243:Feces / Q000469:parasitology; D007978:Levamisole / Q000627:therapeutic use; D008404:Massachusetts; D009349:Nematode Infections / Q000188:drug therapy / Q000662:veterinary*; D010270:Parasite Egg Count / Q000662:veterinary; D012621:Seasons; D012756:Sheep / Q000469:parasitology; D012757:Sheep Diseases / Q000188:drug therapy / Q000469:parasitology*; D013827:Thiabendazole / Q000627:therapeutic use
chemical_list: D007978:Levamisole; D013827:Thiabendazole