Intended for healthcare professionals

Education And Debate

Assessing the quality of research

BMJ 2004; 328 doi: https://doi.org/10.1136/bmj.328.7430.39 (Published 01 January 2004) Cite this as: BMJ 2004;328:39

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: January 2004 to November 2019

Rendering graph...
AbstractFullPdf
Jan 2004960805073
Feb 20041611755
Mar 20048450379
Apr 20044410299
May 20046243225
Jun 20045419271
Jul 20040351280
Aug 20040337206
Sep 200420365181
Oct 200420294218
Nov 200439259168
Dec 200442270183
Jan 200530366208
Feb 200524260136
Mar 200545255146
Apr 200542257158
May 20059236139
Jun 20056015696
Jul 20054119119
Aug 20051216597
Sep 200518171114
Oct 200523166166
Nov 20059176158
Dec 2005715093
Jan 200617163102
Feb 200627188107
Mar 200697184135
Apr 20063513282
May 200636119119
Jun 200699685
Jul 2006116453
Aug 200659785
Sep 20061814194
Oct 20062911888
Nov 20061413989
Dec 20061011891
Jan 200750157126
Feb 20071212475
Mar 20071411183
Apr 2007811866
May 2007915177
Jun 2007410770
Jul 200779669
Aug 2007109467
Sep 20071411274
Oct 200741206150
Nov 200720201115
Dec 20071814392
Jan 20082716584
Feb 200823170119
Mar 20082916876
Apr 20081017667
May 20081722187
Jun 20081521580
Jul 2008915264
Aug 20081218049
Sep 20081618980
Oct 200820248107
Nov 200823268108
Dec 20081019480
Jan 200913112073
Feb 200913510280
Mar 2009194110100
Apr 20091699176
May 20091077368
Jun 20091267956
Jul 20091307166
Aug 20091167040
Sep 20091336865
Oct 200914510252
Nov 200916513175
Dec 20091218053
Jan 201014410551
Feb 20101329780
Mar 201015414191
Apr 201018214263
May 20101347553
Jun 20101269156
Jul 2010888742
Aug 201014411141
Sep 20102499339
Oct 201032610447
Nov 201033710147
Dec 20102266643
Jan 201127011940
Feb 2011297173102
Mar 201126716995
Apr 20111908759
May 20111735147
Jun 20111646733
Jul 201114212338
Aug 201110011955
Sep 201110313042
Oct 201110214551
Nov 20114315235
Dec 2011019431
Jan 201217615453
Feb 20122359134
Mar 20122077130
Apr 20122388640
May 2012923913
Jun 2012425921
Jul 2012215218
Aug 2012516319
Sep 2012434716
Oct 20121308019
Nov 20121299835
Dec 201272517
Jan 2013504810
Feb 201356349
Mar 201394414
Apr 201369336
May 2013112449
Jun 2013884818
Jul 2013904717
Aug 201332818343
Sep 20131707218
Oct 20131546315
Nov 20131847526
Dec 2013166448
Jan 201415118457
Feb 20141159723
Mar 201415810828
Apr 201426017550
May 201421312528
Jun 2014125429
Jul 2014217734
Aug 201430516352
Sep 20141364615
Oct 201467256
Nov 20141044813
Dec 20141264215
Jan 20151394723
Feb 201513215062
Mar 20151157439
Apr 20151274111
May 20151609748
Jun 20151133018
Jul 20151033123
Aug 20151146225
Sep 20151364717
Oct 20151575010
Nov 20152067916
Dec 2015167538
Jan 20162096819
Feb 20162958017
Mar 20161905214
Apr 20162013412
May 20162706114
Jun 2016167223
Jul 20161152514
Aug 20161284420
Sep 20161604712
Oct 20161915415
Nov 201618413741
Dec 2016106422
Jan 20171665115
Feb 201715311746
Mar 20172058240
Apr 20171628226
May 20171854415
Jun 2017110437
Jul 2017138348
Aug 20171607230
Sep 20171274011
Oct 20172325313
Nov 20172229736
Dec 20171468932
Jan 20181977930
Feb 201825020756
Mar 201822417850
Apr 201818111743
May 20182368420
Jun 20181615112
Jul 2018178509
Aug 20181698662
Sep 20181646830
Oct 20181725719
Nov 20182028050
Dec 2018154368
Jan 20191335811
Feb 20191655747
Mar 20191729345
Apr 20191618627
May 20191695218
Jun 2019121338
Jul 20191073013
Aug 20191415628
Sep 20191084914
Oct 20191605121
Nov 2019673517
Total213702870917366