Errata
Erratum
Br Med J 1906; 2 doi: https://doi.org/10.1136/bmj.2.2377.180 (Published 21 July 1906) Cite this as: Br Med J 1906;2:180This 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.