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Views And Reviews

The preregistration alternative

BMJ 1994; 308 doi: https://doi.org/10.1136/bmj.308.6936.1109 (Published 23 April 1994) Cite this as: BMJ 1994;308:1109

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 December 2019

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AbstractFullPdf
Jul 20030130
Aug 20030110
Sep 20030100
Oct 20030150
Nov 20030110
Dec 2003080
Jan 20040100
Feb 2004090
Mar 20040140
Apr 2004090
May 20040110
Jun 20040140
Jul 2004080
Aug 20040140
Sep 2004080
Oct 20040150
Nov 20040100
Dec 20040340
Jan 20050180
Feb 2005060
Mar 20050160
Apr 2005030
May 2005090
Jun 2005050
Jul 2005020
Aug 2005040
Sep 2005030
Oct 2005020
Nov 2005060
Dec 2005030
Jan 2006040
Feb 2006030
Mar 2006070
Apr 2006040
May 2006010
Jun 2006040
Aug 2006020
Sep 2006010
Oct 2006040
Nov 2006030
Dec 2006020
Feb 2007030
Mar 2007020
Jun 2007020
Jul 2007010
Oct 2007010
Nov 2007030
Dec 2007030
Jan 2008010
Feb 2008020
Mar 2008010
Apr 2008040
May 2008040
Jun 2008050
Jul 2008040
Aug 2008020
Sep 2008080
Oct 2008050
Nov 2008080
Dec 2008070
Jan 2009010
Mar 2009030
May 2009100
Jun 2009200
Jul 2009500
Sep 2009100
Oct 2009100
Nov 2009100
Dec 2009300
Feb 2010010
Mar 2010200
May 2010030
Jun 2010020
Jul 2010200
Aug 2010310
Sep 2010100
Oct 2010610
Nov 2010300
Feb 2011200
Apr 2011300
May 2011200
Jun 2011410
Jul 2011010
Aug 2011100
Sep 2011230
Oct 2011310
Nov 2011010
Dec 2011020
Jan 2012200
Mar 2012220
May 2012120
Jun 2012400
Sep 2012300
Oct 2012100
Nov 2012200
Jan 2013010
Apr 2013200
May 2013010
Jun 2013710
Jul 20131540
Aug 2013100
Sep 2013300
Oct 20131200
Dec 2013200
Apr 2014200
May 2014300
Jun 2014600
Jul 2014050
Aug 2014300
Sep 2014310
Oct 2014200
Dec 2014100
Feb 2015100
Mar 2015110
Apr 2015210
Jun 2015300
Aug 2015500
Sep 2015100
Dec 2015410
May 2016100
Jun 2016010
Aug 2016200
Sep 2016100
Oct 2016100
Dec 2016100
Feb 2017100
Mar 2017100
Apr 2017200
May 2017300
Jun 2017500
Jul 20171700
Aug 20171100
Sep 2017700
Oct 2017810
Nov 2017600
Dec 2017800
Jan 2018600
Feb 2018410
Mar 2018800
Apr 2018500
May 2018300
Jun 2018300
Jul 2018300
Aug 2018200
Sep 2018100
Oct 2018300
Nov 2018230
Dec 20181010
Jan 2019300
Feb 2019110
Mar 2019210
Apr 2019110
May 2019400
Jun 2019210
Jul 2019600
Aug 2019100
Oct 2019120
Nov 2019300
Dec 2019010
Total2914570