Articles Letters, Notes, and Answers Br Med J 1908; 2 doi: https://doi.org/10.1136/bmj.2.2487.632 (Published 29 August 1908) Cite this as: Br Med J 1908;2:632 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 14 October 1922; Br Med J 2 doi:10.1136/bmj.2.3224.706-a Correction Correction Published: 25 September 1954; Br Med J 2 doi:10.1136/bmj.2.4890.766-a
