Articles Reports of Societies Br Med J 1873; 1 doi: https://doi.org/10.1136/bmj.1.636.269 (Published 08 March 1873) Cite this as: Br Med J 1873;1:269 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 10 February 1968; Br Med J 1 doi:10.1136/bmj.1.5588.394