Articles
The Services
Br Med J 1917; 1 doi: https://doi.org/10.1136/bmj.1.2942.667-c (Published 19 May 1917) Cite this as: Br Med J 1917;1:667
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.