Articles

SCIENCE NOTES

Br Med J 1910; 2 doi: https://doi.org/10.1136/bmj.2.2591.558 (Published 27 August 1910) Cite this as: Br Med J 1910;2:558

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