General Articles And News Medical News Br Med J 1942; 1 doi: https://doi.org/10.1136/bmj.1.4233.278 (Published 21 February 1942) Cite this as: Br Med J 1942;1:278 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 29 April 1944; Br Med J 1 doi:10.1136/bmj.1.4347.609