BMJ. 2008 Apr 12;336(7648):786. doi: 10.1136/bmj.39517.679977.80.
BMJ (Clinical research ed.)
Celia A Brown, Richard J Lilford
PMID: 18403501 PMCID: PMC2292277 DOI: 10.1136/bmj.39517.679977.80
[No abstract available.]