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In brief

BMJ 2011; 343 doi: https://doi.org/10.1136/bmj.d4728 (Published 26 July 2011) Cite this as: BMJ 2011;343:d4728

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 2011 to April 2021

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AbstractFullPdf
Jul 2011961459
Aug 20111913819
Sep 20118639
Oct 20118337
Nov 20115020
Dec 20112912
Jan 2012931
Feb 20121101
Mar 2012633
Apr 20121200
May 2012311
Jun 2012800
Jul 2012200
Aug 2012601
Sep 2012400
Oct 2012600
Nov 2012611
Jan 2013300
Feb 2013100
Apr 2013100
May 2013100
Jun 2013511
Jul 2013400
Aug 2013200
Sep 2013200
Nov 2013300
Dec 2013300
Jan 2014200
Feb 2014100
Mar 2014200
Apr 2014100
May 2014400
Jun 2014600
Jul 2014071
Aug 2014283
Sep 2014293
Dec 2014100
Jan 2015200
Feb 2015200
Mar 2015202
Apr 2015300
May 2015100
Jun 2015223
Jul 2015200
Aug 2015600
Sep 2015200
Oct 2015140
Nov 2015051
Dec 2015612
Jan 2016300
Feb 2016500
Jun 2016300
Jul 2016100
Aug 2016200
Sep 2016500
Oct 2016300
Nov 2016410
Dec 2016700
Jan 2017300
Feb 2017610
Mar 2017400
Apr 2017400
May 2017800
Jun 20171100
Jul 2017700
Aug 2017500
Sep 2017900
Oct 20171600
Nov 2017300
Dec 20171100
Jan 20181800
Feb 20181000
Mar 20181600
Apr 2018710
May 20181311
Jun 2018900
Jul 2018400
Oct 2018200
Nov 2018410
Dec 2018740
Jan 2019310
Feb 2019800
Mar 20191610
Apr 20191210
May 20191910
Jun 2019700
Jul 2019740
Aug 20194120
Sep 20191150
Oct 2019170
Nov 20191320
Dec 20195110
Jan 2020820
Feb 2020450
Mar 2020060
Apr 2020250
May 20202750
Jun 2020020
Jul 2020260
Aug 202039100
Sep 20201540
Oct 20201060
Nov 2020820
Dec 2020800
Jan 2021810
Feb 2021500
Mar 2021710
Apr 2021910
Total201624771