Intended for healthcare professionals

Education And Debate

Controlled trials: the 1948 watershed

BMJ 1998; 317 doi: https://doi.org/10.1136/bmj.317.7167.1217 (Published 31 October 1998) Cite this as: BMJ 1998;317:1217

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 January 2020

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AbstractFullPdf
Jul 200305719
Aug 200309341
Sep 200307024
Oct 2003010932
Nov 2003011427
Dec 200305317
Jan 200419628
Feb 200405524
Mar 200408631
Apr 200437421
May 200409620
Jun 2004014830
Jul 2004110027
Aug 2004114629
Sep 200459025
Oct 2004210134
Nov 2004119540
Dec 2004238812
Jan 20052113862
Feb 200579331
Mar 2005148234
Apr 200546125
May 200574015
Jun 200554425
Jul 200514116
Aug 200535342
Sep 200554927
Oct 2005811060
Nov 200569236
Dec 200526216
Jan 200645524
Feb 200637527
Mar 200623727
Apr 200646324
May 200635625
Jun 200622318
Jul 200623325
Aug 200603116
Sep 200665532
Oct 200663527
Nov 200643922
Dec 200633929
Jan 200753729
Feb 200735913
Mar 200725826
Apr 200733221
May 200704622
Jun 200722823
Jul 200762115
Aug 200721717
Sep 200724217
Oct 200753827
Nov 200755523
Dec 200712621
Jan 200818932
Feb 200803920
Mar 200813327
Apr 200803014
May 200803521
Jun 200822810
Jul 200803812
Aug 200862830
Sep 2008134240
Oct 2008134827
Nov 200897134
Dec 200885422
Jan 2009213514
Feb 2009221318
Mar 2009161620
Apr 20091886
May 20091585
Jun 200917118
Jul 200912128
Aug 200911176
Sep 20097126
Oct 2009181613
Nov 2009172114
Dec 200916166
Jan 2010151515
Feb 2010361914
Mar 201014179
Apr 20101997
May 20101266
Jun 201013143
Jul 201013146
Aug 2010132118
Sep 2010172113
Oct 20102698
Nov 20103595
Dec 201017910
Jan 2011361114
Feb 20112286
Mar 20113245
Apr 201120911
May 20111899
Jun 20115384
Jul 201111797
Aug 20111111815
Sep 2011127106
Oct 20112051612
Nov 201177434
Dec 20110256
Jan 201217218
Feb 20121792
Mar 20121785
Apr 20122553
May 20121844
Jun 20123650
Jul 20122473
Aug 20123087
Sep 2012676
Oct 20121557
Nov 2012621
Dec 2012121
Jan 2013892
Feb 2013310
Mar 2013210
Apr 2013443
May 20131086
Jun 2013621
Jul 2013873
Aug 20138104
Sep 20134168
Oct 20138116
Nov 201335137
Dec 20132021
Jan 201444136
Feb 20144483
Mar 20141897
Apr 20142421
May 20141972
Jun 201410114
Jul 20141766
Aug 20142082010
Sep 201441122
Oct 20141132
Nov 20141021
Dec 20144674
Jan 20151161
Feb 20152341
Mar 20154169
Apr 20151620
May 20151352
Jun 2015622
Jul 2015331
Aug 20151576
Sep 2015481
Oct 20151132
Nov 2015760
Dec 20151674
Jan 20162583
Feb 20162531
Mar 20162621
Apr 20161250
May 20161573
Jun 20161320
Jul 2016930
Aug 20161444
Sep 2016954
Oct 20161002
Nov 2016210
Dec 2016353
Jan 2017310
Feb 2017410
Mar 2017620
Apr 2017421
May 20171742
Jun 2017200
Jul 20171440
Aug 20172484
Sep 20171141
Oct 20171986
Nov 20171030
Dec 20173141
Jan 201817430
Feb 2018932
Mar 20181244
Apr 2018733
May 20181523
Jun 2018900
Jul 2018742
Aug 2018845
Sep 2018413
Oct 2018431
Nov 20181544
Dec 20181110
Jan 20198134
Feb 20191451
Mar 201915137
Apr 20198195
May 20191313
Jun 2019710
Jul 2019573
Aug 2019884
Sep 20191030
Oct 20191434
Nov 20191193
Dec 201926118
Jan 2020200
Total299652072346