Correspondence
PROTECTIVE INOCULATIONS AGAINST INFLUENZA
Br Med J 1920; 1 doi: https://doi.org/10.1136/bmj.1.3087.309-a (Published 28 February 1920) Cite this as: Br Med J 1920;1:309
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.