Errata
Erratum
Br Med J 1909; 1 doi: https://doi.org/10.1136/bmj.1.2516.763-a (Published 20 March 1909) Cite this as: Br Med J 1909;1:763This is a PDF-only article. The first page of the PDF of this article appears above.
Intended for healthcare professionals
This is a PDF-only article. The first page of the PDF of this article appears above.