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Summary:null 3 references
Bibliography:istex:8C1E35FBEF20CBAD0D9C2AE15F11EF0B2D8BAB84
href:bmj-313-24.pdf
ark:/67375/NVC-GHWK9FSP-S
PMID:8664765
local:bmj;313/7048/24
Correspondence to: Professor Hull.
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ObjectType-Article-1
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ISSN:0959-8138
0959-8146
1468-5833
1756-1833
DOI:10.1136/bmj.313.7048.24