Articles REPORTS OF SOCIETIES Br Med J 1940; 1 doi: https://doi.org/10.1136/bmj.1.4140.784 (Published 11 May 1940) Cite this as: Br Med J 1940;1:784 Article Related content Metrics Responses Peer review Related articles Correction Corrigendum Published: 18 May 1940; Br Med J 1 doi:10.1136/bmj.1.4141.838