Articles Reports of Societies Br Med J 1934; 1 doi: https://doi.org/10.1136/bmj.1.3824.725 (Published 21 April 1934) Cite this as: Br Med J 1934;1:725 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 05 April 1958; Br Med J 1 doi:10.1136/bmj.1.5074.844