Errata
Erratum
Br Med J 1891; 2 doi: https://doi.org/10.1136/bmj.2.1597.342 (Published 08 August 1891) Cite this as: Br Med J 1891;2:342This 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.