More Information
Bibliography:href:bmj-1-1628-5.pdf
istex:6AB4087B8EF86FA900D203443CD2E59E59D09D98
local:bmj;1/6178/1628-d
ark:/67375/NVC-ZD3PGXVH-2
PMID:380757
SourceType-Other Sources-1
content type line 63
ObjectType-Correspondence-1
ISSN:0007-1447
1468-5833
DOI:10.1136/bmj.1.6178.1628-d