Errata
Erratum
Br Med J 1926; 2 doi: https://doi.org/10.1136/bmj.2.3425.408 (Published 28 August 1926) Cite this as: Br Med J 1926;2:408This 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.