title: Withdrawal times for medicines on organic farms.
authors.forename: D
authors.initials: D
authors.lastname: Gray
mesh_terms: D000821:Animal Feed / Q000592:standards*; D000827:Animal Welfare; D000818:Animals; D002417:Cattle; D003612:Dairying / Q000592:standards*; D007306:Insecticides / Q000008:administration & dosage*; D026023:Permethrin / Q000627:therapeutic use*; D006113:United Kingdom; D019155:Veterinary Drugs / Q000008:administration & dosage*
chemical_list: D007306:Insecticides; D019155:Veterinary Drugs; D026023:Permethrin