Article Information
vol. 298 no. 5596 1213-1215
PubMed:
Published By:
Print ISSN:
Online ISSN:
History:
- Received for publication September 18, 2002
- Accepted for publication October 7, 2002
- .
Article Versions
- Previous version (October 17, 2002 - 11:57).
- You are viewing the most recent version of this article.