BMJ. 2006 Jan 07;332(7532):44-5. doi: 10.1136/bmj.332.7532.44.
BMJ (Clinical research ed.)
Dougal Jeffries
PMID: 16399741 PMCID: PMC1325140 DOI: 10.1136/bmj.332.7532.44
[No abstract available.]