Correction
Corrigendum
Br Med J 1937; 1 doi: https://doi.org/10.1136/bmj.1.3966.104-a (Published 09 January 1937) Cite this as: Br Med J 1937;1:104
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.