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BMJ 1999; 318 doi: https://doi.org/10.1136/bmj.318.7194.S3-7194 (Published 15 May 1999) Cite this as: BMJ 1999;318:S3-7194

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 2018

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AbstractFullPdf
Jul 2003050
Aug 20030120
Sep 2003050
Oct 2003040
Nov 2003040
Dec 2003050
Jan 2004070
Feb 2004050
Mar 2004081
Apr 2004060
May 20040110
Jun 20040110
Jul 2004070
Aug 2004070
Sep 2004040
Oct 2004030
Nov 2004050
Dec 20040180
Jan 20050100
Feb 2005080
Mar 2005080
Apr 2005010
May 2005040
Jun 2005020
Jul 2005010
Aug 2005020
Oct 2005040
Nov 2005021
Dec 2005020
Jan 2006020
Feb 2006040
Mar 2006020
Apr 2006010
May 2006020
Jul 2006010
Sep 2006070
Feb 2007010
Mar 2007010
Apr 2007010
Jun 2007010
Aug 2007020
Dec 2007030
Jan 2008010
Feb 2008010
Jun 2008020
Jul 2008020
Aug 2008010
Sep 2008020
Oct 2008040
Nov 2008030
Jan 2009010
Feb 2009010
Jul 2009020
Aug 2009020
Dec 2009010
Mar 2010060
Jul 2010020
Sep 2010110
Oct 2010440
Nov 2010200
Jan 2011100
May 2011100
Jun 2011100
Aug 2011100
Sep 2011020
Oct 2011100
Nov 2011110
Jan 2012010
Feb 2012010
Mar 2012010
Apr 2012010
May 2012020
Jun 2012010
Oct 2012030
Jan 2013020
Feb 2013010
Apr 2013010
Jun 2013050
Jul 2013180
Aug 2013020
Sep 2013010
Oct 2013010
Nov 2013020
Dec 2013110
Apr 2014010
May 2014010
Jun 2014030
Jul 2014060
Aug 2014010
Apr 2015030
Jul 2015010
Sep 2015040
Dec 2015050
Jan 2016010
Sep 2016010
Oct 2016020
Nov 2016010
Dec 2016020
Jan 2017040
Feb 2017050
Mar 2017010
Apr 2017010
May 2017010
Jun 2017040
Jul 2017020
Aug 2017030
Sep 2017010
Oct 2017030
Nov 2017010
Dec 2017030
Jan 2018080
Feb 2018090
Mar 2018020
Apr 2018020
May 2018090
Jun 2018060
Jul 2018040
Aug 2018020
Sep 2018050
Oct 2018020
Total153822