title: Anthelmintic efficiency of ivermectin against naturally occurring gastrointestinal nematodes of sheep.
mesh_terms: D000818:Animals; D000871:Anthelmintics / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use*; D004064:Digestive System / Q000469:parasitology; D005767:Gastrointestinal Diseases / Q000188:drug therapy / Q000662:veterinary*; D007559:Ivermectin; D007783:Lactones / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use*; D009348:Nematoda / Q000187:drug effects; D009349:Nematode Infections / Q000188:drug therapy / Q000662:veterinary*; D012756:Sheep / Q000469:parasitology; D012757:Sheep Diseases / Q000188:drug therapy*
chemical_list: D000871:Anthelmintics; D007783:Lactones; D007559:Ivermectin