Correction Colloidal Gold for the Lange Test. Correction Br Med J 1923; 1 doi: https://doi.org/10.1136/bmj.1.3237.88-a (Published 13 January 1923) Cite this as: Br Med J 1923;1:88 Article Related content Metrics Responses Peer review This article has corrections. Please see:Correction - February 12, 1949 Any Questions?: Onycholysis - January 24, 1976 This is a PDF-only article. The first page of the PDF of this article appears below.