BMJ. 1999 Oct 23;319(7217):1092A. doi: 10.1136/bmj.319.7217.1092a.
BMJ (Clinical research ed.)
Josefson
PMID: 10531096 PMCID: PMC1116899 DOI: 10.1136/bmj.319.7217.1092a
[No abstract available.]