More Information
Bibliography:ark:/67375/NVC-LV2L7N7H-L
istex:0E6C373D9208E1D4B5C69859C66882C28452B103
href:bmj-283-408-2.pdf
local:bmj;283/6288/408-a
PMID:6789988
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0267-0623
1468-5833
DOI:10.1136/bmj.283.6288.408-a