Racetracks and the veterinarian.
D000818:Animals; D003813:Dentistry / Q000662:veterinary; D004300:Doping in Sports / Q000331:legislation & jurisprudence*; D006736:Horses; D007879:Legislation, Dental; D007886:Legislation, Veterinary; D013177:Sports / Q000331:legislation & jurisprudence*; D014481:United States