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In brief

BMJ 2009; 339 doi: https://doi.org/10.1136/bmj.b3082 (Published 29 July 2009) Cite this as: BMJ 2009;339:b3082

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 2009 to May 2021

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AbstractFullPdf
Jul 2009781760
Aug 2009631300
Sep 20097100
Oct 2009980
Nov 2009830
Dec 2009420
Jan 2010220
Feb 2010430
Mar 2010110
Apr 2010300
May 2010010
Jul 2010100
Aug 2010410
Sep 2010110
Oct 2010010
Nov 2010200
Dec 20102160
Jan 20111700
Feb 2011600
Apr 2011100
Jun 2011410
Jul 2011100
Aug 2011400
Sep 2011200
Oct 2011200
Dec 2011100
Jan 2012200
Feb 2012200
May 2012020
Jun 2012200
Jul 2012100
Aug 2012200
Sep 2012400
Jan 2013010
Mar 2013100
Jun 2013600
Jul 2013300
Aug 2013110
Sep 2013100
Oct 2013200
Nov 2013200
Dec 2013100
Feb 2014200
Mar 2014100
Jun 2014100
Jul 2014020
Aug 2014200
Feb 2015100
Apr 2015200
Jul 2015100
Sep 2015100
Nov 2015030
Dec 2015160
Feb 2016100
Sep 2016100
Oct 2016100
Nov 2016200
Dec 2016200
Feb 2017500
Mar 2017200
Apr 2017200
May 2017200
Jun 2017100
Jul 2017300
Aug 2017300
Sep 2017500
Oct 2017400
Nov 2017100
Dec 2017200
Jan 2018210
Feb 2018400
Mar 2018600
Apr 2018300
May 2018600
Jun 2018300
Jul 2018200
Aug 2018200
Sep 20182600
Oct 2018210
Nov 2018210
Dec 2018430
Jan 2019320
Feb 2019620
Mar 20191240
Apr 2019800
May 20191010
Jun 20191010
Jul 2019650
Aug 2019390
Sep 2019050
Oct 2019460
Nov 2019520
Dec 20195100
Jan 2020810
Feb 2020260
Mar 2020080
Apr 2020050
May 2020080
Jun 2020220
Jul 20203460
Aug 2020360
Sep 2020540
Oct 20203860
Nov 20202720
Dec 2020600
Jan 2021700
Feb 2021310
Mar 2021300
Apr 2021800
May 2021400
Total6094690