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Br Med J 1957; 2 doi: https://doi.org/10.1136/bmj.2.5045.653 (Published 14 September 1957) Cite this as: Br Med J 1957;2:653

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: March 2009 to November 2020

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AbstractFullPdf
Mar 2009001
Nov 2010002
Aug 2011001
Dec 2011002
Feb 2012001
Nov 2015002
Apr 2018001
Oct 2019001
May 2020001
Nov 2020002
Total0014