An official website of the United States government
Here's how you know
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.
As a library, NLM provides access to scientific literature. Inclusion in an NLM database does not imply endorsement of, or agreement with,
the contents by NLM or the National Institutes of Health.
Learn more:
PMC Disclaimer
|
PMC Copyright Notice
2Senior Clinical Research Fellow, Allergy & Respiratory Research Group, Centre for Population Health Sciences: General Practice Section, The University of Edinburgh, Scotland, UK
2Senior Clinical Research Fellow, Allergy & Respiratory Research Group, Centre for Population Health Sciences: General Practice Section, The University of Edinburgh, Scotland, UK
*
Allergy & Respiratory Research Group, Centre for Population Health Sciences: General Practice Section, The University of Edinburgh, Doorway 3, Medical School, Teviot Place, Edinburgh, Scotland, EH8 9AG, UK Tel: +44 (0)1461 600 639 Fax: +44 (0)1461 207 819 E-mail: marklevy@animalswild.com