Abstract
Report by Kerstin Hogg, Clinical Research Fellow Checked by Russell Boyd, Consultant
Full Text
The Full Text of this article is available as a PDF (93.8 KB).
. 2003 Jul;20(4):368–369. doi: 10.1136/emj.20.4.368
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.