Correction
Corrigenda
Br Med J 1937; 1 doi: https://doi.org/10.1136/bmj.1.3982.952-b (Published 01 May 1937) Cite this as: Br Med J 1937;1:952
This article has a correction. Please see:
This is a PDF-only article. The first page of the PDF of this article appears above.