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Br Med J 1968; 4 doi: https://doi.org/10.1136/bmj.4.5624.13 (Published 19 October 1968) Cite this as: Br Med J 1968;4:13

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 2009 to December 2016

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AbstractFullPdf
Oct 2009001
Oct 2010002
Dec 2010002
Feb 2011001
Nov 2011003
Dec 2011001
Feb 2012001
Jun 2013001
Oct 2013002
Jul 2014002
Dec 2015002
Dec 2016002
Total0020