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BMJ 1859; s4-1 doi: (Published 12 February 1859) Cite this as: BMJ 1859;s4-1:130

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: May 2018 to February 2020

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May 2018001
May 2019001
Nov 2019001
Feb 2020001