Articles Letters, Notes, and Answers to Correspondents Br Med J 1878; 1 doi: https://doi.org/10.1136/bmj.1.897.353 (Published 09 March 1878) Cite this as: Br Med J 1878;1:353 Article Related content Metrics Responses Peer review Related articles Correction Corrigenda Published: 23 March 1935; Br Med J 1 doi:10.1136/bmj.1.3872.630 Correction Correction Published: 24 March 1945; Br Med J 1 doi:10.1136/bmj.1.4394.432