BMJ. 2007 Jan 20;334(7585):108. doi: 10.1136/bmj.39057.662373.80.
BMJ (Clinical research ed.)
Jeffrey A Lieberman, Michael B First
PMID: 17235058 PMCID: PMC1779873 DOI: 10.1136/bmj.39057.662373.80
[No abstract available.]