- Correspondence to:
Dr Spencer, City General Maternity Unit, North Staffordshire Hospital, Newcastle Road, Stoke on Trent ST4 6QG, UK;
- First published July 1, 2002.
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.