title: Drug withdrawal periods.
authors.forename: M D
authors.initials: MD
authors.lastname: Perry
authors.forename: C L
authors.initials: CL
authors.lastname: Watson
mesh_terms: D000818:Animals; D002417:Cattle; D004350:Drug Residues; D004358:Drug Therapy / Q000662:veterinary*; D004739:England; D005502:Food / Q000592:standards; D007880:Legislation, Drug; D007881:Legislation, Food; D013997:Time Factors