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BMJ 1998; 316 doi: https://doi.org/10.1136/bmj.316.7144.1553a (Published 23 May 1998) Cite this as: BMJ 1998;316:1553

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 March 2020

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AbstractFullPdf
Jul 2003050
Aug 2003070
Sep 2003040
Oct 2003040
Nov 2003040
Dec 2003060
Jan 2004050
Feb 2004030
Mar 2004091
Apr 20040120
May 2004070
Jun 2004050
Jul 2004080
Aug 20040120
Sep 2004050
Oct 20042100
Nov 20045100
Dec 200421250
Jan 2005890
Feb 2005230
Mar 20054170
Apr 2005020
May 2005020
Jun 2005070
Jul 2005050
Aug 2005113
Oct 2005320
Nov 2005120
Dec 2005010
Jan 2006020
Feb 2006050
Apr 2006020
May 2006033
Jul 2006010
Aug 2006010
Sep 2006030
Oct 2006010
Nov 2006003
Dec 2006120
Feb 2007020
Mar 2007010
Apr 2007100
Jun 2007160
Jul 2007010
Aug 2007020
Sep 2007020
Oct 2007010
Nov 2007020
Dec 2007010
Jan 2008020
Apr 2008010
Jun 2008020
Jul 2008010
Aug 2008010
Sep 2008010
Oct 2008020
Nov 2008030
Apr 2009010
Jul 2009100
Aug 2009100
Nov 2009400
Jan 2010100
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Jun 2010020
Jul 2010110
Aug 2010100
Sep 2010320
Oct 2010100
Nov 2010200
Jan 2011100
Apr 2011100
May 2011110
Jun 2011100
Jul 2011100
Aug 2011110
Sep 2011160
Oct 2011130
Nov 2011020
Dec 2011040
Jan 2012410
Feb 2012100
Apr 2012200
May 2012120
Jul 2012100
Aug 2012100
Oct 2012300
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Jan 2013010
Mar 2013200
May 2013200
Jun 2013400
Jul 2013220
Aug 2013100
Dec 2013220
Apr 2014200
Jun 2014100
Jul 2014110
Aug 2014100
Nov 2014100
Mar 2015100
Apr 2015100
Jun 2015100
Aug 2015300
Sep 2015200
Nov 2015100
Dec 2015420
Jun 2016200
Sep 2016100
Nov 2016410
Dec 20164610
Jan 20171500
Feb 2017300
Mar 2017200
Apr 2017100
May 2017300
Jun 2017310
Jul 2017300
Aug 2017300
Sep 2017700
Oct 2017400
Nov 2017100
Dec 2017200
Jan 2018500
Feb 2018400
Mar 2018200
Apr 2018200
May 20181100
Jun 2018200
Jul 2018010
Aug 2018100
Nov 2018010
Dec 2018420
Jan 2019520
Feb 2019500
Mar 20191610
Apr 2019800
May 2019910
Jun 20191400
Jul 20191260
Aug 2019160
Sep 2019040
Oct 2019320
Nov 2019130
Dec 2019160
Jan 2020420
Feb 2020240
Mar 2020160
Total33232910