Errata
Erratum
Br Med J 1926; 1 doi: https://doi.org/10.1136/bmj.1.3409.814-a (Published 01 May 1926) Cite this as: Br Med J 1926;1:814
Article usage
Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.