More Information
Bibliography:istex:052AF25F68ECC79FEFA3C907A3B2B0C0D3499E91
ark:/67375/NVC-W9V2204F-Z
href:jech-21-40.pdf
PMID:6032064
local:jech;21/1/40
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0007-1242
1470-2738
2633-9188
DOI:10.1136/jech.21.1.40