title: Implementing risk-based trading.
authors: Chief Veterinary Officer, Defra, Nobel House, Smith Square, London SW1P 3JR.
authors: Nigel
authors: N
authors: Gibbens
mesh_terms: D000383:Agriculture; D000818:Animals; D002417:Cattle; D003132:Commerce / Q000379:methods*; D018570:Risk Assessment; D014380:Tuberculosis, Bovine / Q000517:prevention & control*; D014852:Wales