Articles QUESTIONS AND COMMENTS Br Med J 1958; 1 doi: https://doi.org/10.1136/bmj.1.5076.954 (Published 19 April 1958) Cite this as: Br Med J 1958;1:954 Article Related content Metrics Responses Peer review Related articles Erratum Erratum Published: 02 July 1921; Br Med J 2 doi:10.1136/bmj.2.3157.30-a