BMJ. 1999 Oct 02;319(7214):865-6. doi: 10.1136/bmj.319.7214.865.
BMJ (Clinical research ed.)
R Horton, R Smith
PMID: 10506022 PMCID: PMC1116704 DOI: 10.1136/bmj.319.7214.865
[No abstract available.]