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BMJ 1993; 306 doi: https://doi.org/10.1136/bmj.306.6888.1350 (Published 15 May 1993) Cite this as: BMJ 1993;306:1350

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: June 2009 to November 2015

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AbstractFullPdf
Jun 2009001
Sep 2010002
Oct 2010002
Nov 2010003
Jan 2011002
Nov 2011001
Jan 2012001
Feb 2012001
Oct 2012001
Dec 2012001
Mar 2013001
Apr 2013001
Jul 2013003
Sep 2013001
Oct 2013001
Jul 2014002
Nov 2015002
Total0026