title: Horse racing model rules  see gradual adoption.
authors: Malinda
authors: M
authors: Larkin
mesh_terms: D000827:Animal Welfare / Q000331:legislation & jurisprudence*; D000818:Animals; D006736:Horses; D007880:Legislation, Drug; D013177:Sports / Q000331:legislation & jurisprudence*; D014481:United States; D019155:Veterinary Drugs
chemical_list: D019155:Veterinary Drugs