Errata
Erratum
Br Med J 1904; 1 doi: https://doi.org/10.1136/bmj.1.2253.570 (Published 05 March 1904) Cite this as: Br Med J 1904;1:570This 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.