Articles

British Medical Association

Br Med J 1930; 1 doi: https://doi.org/10.1136/bmj.1.3621.1001 (Published 31 May 1930) Cite this as: Br Med J 1930;1:1001

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