Intended for healthcare professionals

Cover Note

Cover Note

BMJ 1999; 319 doi: https://doi.org/10.1136/bmj.319.7225.1654a (Published 18 December 1999) Cite this as: BMJ 1999;319:1654

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 20030100
Aug 2003080
Sep 2003070
Oct 2003060
Nov 2003090
Dec 20030130
Jan 20040120
Feb 2004090
Mar 20040141
Apr 20040110
May 20040110
Jun 20040130
Jul 2004080
Aug 20040110
Sep 2004060
Oct 2004070
Nov 20040100
Dec 20040250
Jan 2005090
Feb 2005060
Mar 20050160
Apr 2005040
May 2005030
Jun 2005020
Jul 2005060
Aug 2005093
Sep 2005030
Oct 2005040
Nov 2005030
Dec 2005020
Jan 2006020
Feb 2006050
Mar 2006050
Apr 2006010
May 2006022
Aug 2006010
Nov 2006002
Apr 2007010
May 2007010
Jun 2007020
Aug 2007010
Sep 2007010
Oct 2007010
Jan 2008010
Feb 2008010
Mar 2008020
May 2008010
Jul 2008010
Aug 2008030
Sep 2008050
Oct 2008020
Nov 2008050
Jan 2009010
May 2009010
Jul 2009040
Aug 2009040
Sep 2009010
Oct 2009010
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Jul 2010050
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Mar 2011010
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May 2012020
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Oct 2012400
Feb 2013110
Mar 2013110
May 2013010
Jun 2013200
Aug 2013100
Sep 2013010
Apr 2014100
Jun 2014200
Aug 2014100
Dec 2014020
Apr 2015200
May 2015100
Nov 2015010
Dec 2015130
Jan 2016020
Sep 2016100
Nov 2016110
Dec 2016300
Jan 2017200
Feb 2017100
Mar 20171600
Apr 20171200
May 2017600
Jun 2017300
Jul 2017300
Aug 2017310
Sep 2017200
Oct 2017600
Nov 2017210
Dec 2017300
Jan 2018500
Feb 2018100
Mar 2018400
Apr 2018200
May 2018800
Jun 2018200
Jul 2018100
Aug 2018200
Sep 2018100
Oct 2018100
Nov 2018020
Dec 2018200
Jan 2019200
Feb 2019200
Mar 2019110
Apr 2019200
May 2019500
Jun 2019200
Jul 2019300
Aug 2019200
Sep 2019100
Total1443568