- Correspondence to:
Prof. J R Sibert
Department of Child Health, University of Wales College of Medicine, Llandough Hospital, Penarth CF64 2XX, Wales, UK;
- First published January 21, 2004.
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.