Correspondence Dr. Stewart and Mr. I. B. Brown Br Med J 1862; 1 doi: https://doi.org/10.1136/bmj.1.54.48 (Published 11 January 1862) Cite this as: Br Med J 1862;1:48 Article Related content Metrics Responses Peer review This article has a correction. Please see:Corrections - January 08, 1966 This is a PDF-only article. The first page of the PDF of this article appears below.