Articles Reports of Societies Br Med J 1861; 1 doi: https://doi.org/10.1136/bmj.1.24.643 (Published 15 June 1861) Cite this as: Br Med J 1861;1:643 Article Related content Metrics Responses Peer review Related articles Erratum Erratum Published: 30 March 1895; Br Med J 1 doi:10.1136/bmj.1.1787.704 Correction Correction Published: 01 July 1944; Br Med J 2 doi:10.1136/bmj.2.4356.S5