Errata
Erratum
Br Med J 1900; 1 doi: https://doi.org/10.1136/bmj.1.2049.872-b (Published 07 April 1900) Cite this as: Br Med J 1900;1:872
This article has a correction. Please see:
This is a PDF-only article. The first page of the PDF of this article appears above.