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BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7046.1560 (Published 22 June 1996) Cite this as: BMJ 1996;312:1560

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: July 2003 to September 2019

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AbstractFullPdf
Jul 2003060
Aug 2003060
Sep 2003040
Nov 2003060
Dec 2003040
Jan 2004030
Feb 2004040
Mar 2004050
Apr 2004050
May 2004030
Jun 2004050
Jul 2004050
Aug 2004060
Sep 2004040
Oct 2004060
Nov 2004240
Dec 200420230
Jan 20056100
Feb 2005050
Mar 2005060
May 2005010
Aug 2005020
Jan 2006010
Apr 2006020
May 2006010
Feb 2007010
Mar 2007020
Apr 2007020
May 2007020
Jun 2007020
Sep 2007010
Oct 2007020
Nov 2007020
Dec 2007010
Feb 2008120
Jul 2008010
Aug 2008010
Sep 2008010
Oct 2008150
Nov 20083120
Dec 2008010
Jan 2009020
Mar 2009130
Jun 2009130
Aug 2009100
Sep 2009010
Nov 2009100
May 2010020
Jul 2010120
Aug 2010400
Sep 2010320
Oct 2010100
Nov 2010200
Apr 2011210
May 2011100
Jun 2011100
Aug 2011100
Sep 2011010
Nov 2011210
Jan 2012110
Feb 2012100
May 2012020
Sep 2012300
Jan 2013110
Feb 2013010
Mar 2013200
Apr 2013100
May 2013110
Jun 2013200
Jul 2013100
Aug 2013410
Sep 2013010
Dec 2013100
Jan 2014100
Mar 2014100
Apr 2014120
Jul 2014030
Aug 2014100
Mar 2015110
Apr 2015100
Jul 2015100
Dec 2015220
Feb 2016100
Apr 2016100
May 2016010
Aug 2016200
Sep 2016100
Dec 2016200
Jan 2017100
Feb 2017200
Mar 2017400
Apr 2017310
May 2017400
Jun 2017500
Jul 2017700
Aug 2017500
Sep 2017700
Oct 2017310
Nov 2017300
Dec 2017300
Jan 2018410
Feb 2018100
Mar 2018200
Apr 2018300
May 2018600
Jun 2018100
Jul 2018300
Aug 2018500
Sep 2018100
Oct 2018700
Nov 2018410
Dec 2018320
Jan 20191210
Feb 20191700
Mar 20193030
Apr 2019600
May 20191510
Jun 20191700
Jul 2019460
Aug 2019370
Sep 2019130
Total2812270