Articles

SCIENCE NOTES

Br Med J 1912; 1 doi: https://doi.org/10.1136/bmj.1.2683.1252 (Published 01 June 1912) Cite this as: Br Med J 1912;1:1252

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