Research Article
Smallpox vaccination.
Br Med J 1971; 3 doi: https://doi.org/10.1136/bmj.3.5771.430-b (Published 14 August 1971) Cite this as: Br Med J 1971;3:430
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.