1. British Association for Tissue Banking General Standards [www.batb.org] Accessed December 2006
2. Department of Health—A code of Practice for Tissue Banks, MHRA, London, 2004
3. European Association for Tissue Banking General Standards [www.eatb.org] Accessed December 2006
4. European Union, Medical Device Directive 93/42/EEC, OJ L169/12.7.93. [www.europa.eu.int/eur-lex/en/consleg/pdf/1993/en_1993L0042_do_001.pdf] Accessed December 2006
5. V. James (ed) (2005) Guidelines for the Blood Transfusion Services in the United Kingdom, 7th edn. The Stationary Office, Norwich pp 232–251