- Correspondence to:
Professor D A Isenberg, The Middlesex Hospital University College, London, Arthur Stanley House, 40–50 Tottenham Street, London W1T 4NJ, UK;
- Accepted June 7, 2002
- First published January 1, 2003.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.