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BMJ 1999; 319 doi: https://doi.org/10.1136/bmj.319.7215.1013 (Published 09 October 1999) Cite this as: BMJ 1999;319:1013

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 October 2021

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AbstractFullPdf
Jul 2003090
Aug 20030140
Sep 20030100
Oct 2003090
Nov 20030120
Dec 2003050
Jan 20040100
Feb 20040170
Mar 20041111
Apr 2004090
May 20040180
Jun 20040140
Jul 20040120
Aug 20040150
Sep 2004060
Oct 20040110
Nov 20040190
Dec 20041340
Jan 20050140
Feb 20050100
Mar 20050210
Apr 2005010
May 2005040
Jun 2005050
Jul 2005030
Aug 2005073
Sep 2005080
Oct 2005030
Nov 2005011
Dec 2005030
Jan 2006050
Feb 20060100
Mar 2006060
Apr 2006030
May 2006083
Jun 2006040
Jul 2006030
Aug 2006050
Sep 2006030
Oct 2006030
Nov 2006042
Dec 2006030
Jan 2007080
Feb 2007040
Mar 2007020
Apr 2007090
May 2007060
Jun 20070120
Jul 2007050
Aug 2007060
Sep 2007030
Oct 2007060
Nov 20070160
Dec 2007090
Jan 2008050
Feb 2008050
Mar 2008040
Apr 2008050
May 2008070
Jun 20080140
Jul 2008080
Aug 20080100
Sep 20080490
Oct 20080150
Nov 20080180
Dec 20080190
Jan 2009040
Feb 2009010
Mar 2009010
Apr 2009020
Jul 2009020
Aug 2009030
Oct 2009010
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Mar 2010010
Apr 2010020
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Dec 2010200
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Dec 2014920
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Nov 2015100
Dec 2015430
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Feb 2016200
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Apr 2016100
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Sep 2016700
Oct 2016100
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Jan 2017210
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Apr 2017200
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Apr 2018200
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Aug 2018300
Sep 2018100
Oct 2018200
Nov 2018020
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Mar 20192210
Apr 20191100
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Jul 2019100
Aug 2019100
Oct 2019920
Dec 2019240
Jan 2020430
Feb 2020630
Mar 2020210
Apr 202018100
May 20204080
Jun 2020800
Jul 20201530
Aug 2020920
Sep 2020830
Oct 20203210
Nov 202048510
Dec 202034130
Jan 20211000
Feb 2021900
Mar 2021400
Apr 2021610
May 2021900
Jun 20211200
Jul 2021700
Aug 2021700
Sep 2021600
Oct 20211100
Total70481510