Articles Nova et Vetera Br Med J 1900; 1 doi: https://doi.org/10.1136/bmj.1.2048.780 (Published 31 March 1900) Cite this as: Br Med J 1900;1:780 Article Related content Metrics Responses Peer review Related articles Erratum Erratum Published: 06 April 1907; Br Med J 1 doi:10.1136/bmj.1.2414.842-d