title: Comparison between copper-arsenic-piperazine and haloxon-piperazine drenches for treatment of Haemonchus contortus and Oesophagostomum columbianum in sheep.
mesh_terms: D000818:Animals; D000871:Anthelmintics / Q000627:therapeutic use*; D001151:Arsenic / Q000627:therapeutic use*; D003300:Copper / Q000627:therapeutic use*; D003374:Coumarins / Q000627:therapeutic use*; D009814:Oesophagostomiasis / Q000188:drug therapy / Q000662:veterinary*; D010879:Piperazines / Q000627:therapeutic use*; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*; D014252:Trichostrongyloidiasis / Q000188:drug therapy / Q000662:veterinary*
chemical_list: D000871:Anthelmintics; D003374:Coumarins; D010879:Piperazines; D003300:Copper; D001151:Arsenic