http://www.legislation.gov.uk/eudr/1981/852/adoptedCouncil Directive 81/852/EEC of 28 September 1981 on the approximation of the laws of the Member States relating to analytical, pharmaco-toxicological and clinical standards and protocols in respect of the testing of veterinary medicinal productsCouncil Directive 81/852/EECenQueen's Printer of Acts of Parliament2019-09-08