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NIH website of original research to start in January

BMJ 1999; 319 doi: https://doi.org/10.1136/bmj.319.7211.657a (Published 11 September 1999) Cite this as: BMJ 1999;319:657

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 November 2021

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AbstractFullPdf
Jul 20030301
Aug 20030530
Sep 20030692
Oct 20030710
Nov 20030822
Dec 20030803
Jan 20040681
Feb 20040600
Mar 20040703
Apr 20040452
May 20040501
Jun 20040433
Jul 20040502
Aug 20040522
Sep 20041163
Oct 20043204
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Dec 200423342
Jan 200511211
Feb 20053122
Mar 20056202
Apr 20050111
May 20051121
Jun 20050170
Jul 20051111
Aug 2005372
Sep 20050151
Oct 20050100
Nov 20050161
Dec 2005090
Jan 2006091
Feb 2006061
Mar 2006061
Apr 2006090
May 2006160
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Jul 2006020
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Sep 2006020
Oct 2006061
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Dec 2006051
Jan 2007060
Feb 2007040
Mar 2007024
Apr 2007073
May 2007001
Jun 2007121
Aug 2007062
Sep 2007161
Oct 2007090
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Dec 2007020
Feb 2008050
Mar 2008082
Apr 2008021
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Jun 2008080
Jul 2008030
Aug 2008050
Sep 2008240
Oct 2008360
Nov 20080111
Dec 2008024
Feb 2009310
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May 2009200
Jul 2009400
Aug 2009420
Sep 2009100
Oct 2009200
Dec 2009200
Apr 2010120
Jun 2010010
Jul 20102100
Aug 2010210
Sep 2010520
Oct 2010100
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Apr 2011200
Jun 2011100
Jul 2011100
Aug 2011121
Oct 2011231
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Jan 2012321
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May 2012011
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Jan 2013261
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Apr 2013100
May 2013011
Jun 2013700
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Sep 2015100
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Dec 20155612
Jan 2016700
Feb 2016800
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Apr 2016600
May 20161400
Jun 20162300
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Aug 20161800
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Oct 2016500
Nov 2016200
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Mar 2017711
Apr 20171010
May 20171300
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Jul 20171400
Aug 20171401
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Oct 20171920
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Dec 2017640
Jan 2018730
Feb 2018340
Mar 2018220
Apr 2018100
May 20181201
Jun 2018800
Jul 2018100
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Sep 2018100
Oct 2018400
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Dec 2018830
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Feb 20191100
Mar 20191510
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Jun 20191800
Jul 2019951
Aug 20191471
Sep 2019340
Oct 2019730
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Dec 2019571
Jan 2020330
Feb 2020330
Mar 2020180
Apr 2020250
May 20204180
Jun 2020340
Jul 2020550
Aug 2020561
Sep 20201270
Oct 20203240
Nov 20201600
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Apr 2021800
May 2021710
Jun 2021400
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Aug 2021510
Sep 2021500
Oct 20211300
Nov 20211100
Total958140897