Rankings
Publications
Search Publications
Cited-By Search
Sources
Publishers
Scholars
Scholars
Top Cited Scholars
Organizations
About
Login
Register
Home
Publications
ANNOTATIONS
Home
Publications
ANNOTATIONS
ANNOTATIONS
Publisher Website
Google Scholar
Add to Library
Cite
Download
Share
Download
Download
Download PDF
Download
24 February 1962
journal article
research article
Published by
BMJ
in
BMJ
Vol. 1
(5277)
,
537-540
https://doi.org/10.1136/bmj.1.5277.537
Abstract
No abstract available
Cited by 1 article