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Epidemiology Section

Br Med J 1950; 2 doi: https://doi.org/10.1136/bmj.2.4672.228 (Published 22 July 1950) Cite this as: Br Med J 1950;2:228

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.

Usage statistics: October 2020 to November 2023

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