Description
Bibliography:local:bmj;305/6857/808-a
href:bmj-305-808-2.pdf
istex:B6D55A55F91331FFFC14E2A2660800A741C33E24
ark:/67375/NVC-R0VFR827-S
PMID:1301028
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0959-8138
0959-8146
1468-5833
1756-1833
DOI:10.1136/bmj.305.6857.808-a