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Br Med J 1979; 1 doi: https://doi.org/10.1136/bmj.1.6179.1715 (Published 23 June 1979) Cite this as: Br Med J 1979;1:1715

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: August 2009 to May 2018

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AbstractFullPdf
Aug 2009001
Oct 2009001
Dec 2009001
Dec 2010002
Mar 2011001
Apr 2011001
Aug 2011002
Dec 2011001
Feb 2012001
Mar 2013001
Jun 2014002
Jul 2014002
Dec 2015002
Jun 2016001
May 2018001
Total0020