Br Med J. 1942 Apr 18;1(4241):492-4. doi: 10.1136/bmj.1.4241.492.
British medical journal
G C Dockeray, H Sachs
PMID: 20784188 PMCID: PMC2160677 DOI: 10.1136/bmj.1.4241.492
[No abstract available.]