Articles
The Services
Br Med J 1934; 2 doi: https://doi.org/10.1136/bmj.2.3846.573-b (Published 22 September 1934) Cite this as: Br Med J 1934;2:573
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.