Articles

Reviews

Br Med J 1918; 1 doi: https://doi.org/10.1136/bmj.1.2996.619 (Published 01 June 1918) Cite this as: Br Med J 1918;1:619

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview

Sign in

Log in through your institution

Subscribe