Articles British Medical Journal Br Med J 1864; 1 doi: https://doi.org/10.1136/bmj.1.162.157 (Published 06 February 1864) Cite this as: Br Med J 1864;1:157 Article Related content Metrics Responses Peer review Related articles Erratum Erratum Published: 26 January 1901; Br Med J 1 doi:10.1136/bmj.1.2091.219