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Bibliography:istex:09C562CE596E35A4EE2E65755D066E208187E540
ark:/67375/NVC-X34P8BK7-C
PMID:1463952
local:bmj;305/6862/1137
href:bmj-305-1137.pdf
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-3
content type line 23
ObjectType-Review-1
ISSN:0959-8138
1468-5833
1756-1833
DOI:10.1136/bmj.305.6862.1137