title: Biased statistical analysis when the animal is not the experimental unit.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy / Q000469:parasitology*; D005273:Fenbendazole / Q000627:therapeutic use; D012107:Research Design; D013223:Statistics as Topic
chemical_list: D005273:Fenbendazole