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Br Med J 1961; 2 doi: (Published 16 September 1961) Cite this as: Br Med J 1961;2:772

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: November 2010 to May 2018

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Nov 2010004
Feb 2011001
Jul 2011002
Aug 2011001
Oct 2011001
Feb 2012001
Mar 2014001
Dec 2014001
Dec 2015001
Dec 2016002
May 2018001