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Br Med J 1960; 2 doi: (Published 13 August 1960) Cite this as: Br Med J 1960;2:551

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 2010002
Apr 2011001
Sep 2011001
Jan 2012001
Feb 2012001
Jun 2013003
Nov 2015002
Dec 2016001
May 2018001