BMJ. 1999 Feb 13;318(7181):456A. doi: 10.1136/bmj.318.7181.456a.
BMJ (Clinical research ed.)
Defoe
PMID: 9974469 PMCID: PMC1114915 DOI: 10.1136/bmj.318.7181.456a Free PMC Article
[No abstract available.]