Citation

Baxter PJ. Br. Med. J. BMJ 2005; 330(7506): 1474-1475.

Affiliation

Department of Public Health and Primary Care, University of Cambridge, Institute of Public Health, Cambridge CB2 2SR. Pjb21@medschl.cam.ac.uk

Copyright

(Copyright © 2005, BMJ Publishing Group)

DOI

10.1136/bmj.330.7506.1474

PMID

15976420

PMCID

PMC558453

Abstract

unavailable.