- Correspondence to: Dr Joseph L Mathew Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India; or
- Received 3 July 2003
- Accepted 20 August 2003
- Published in print 1 April 2004.
- Published online 13 April 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.