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Research

Internal and external validity of cluster randomised trials: systematic review of recent trials

BMJ 2008; 336 doi: https://doi.org/10.1136/bmj.39517.495764.25 (Published 17 April 2008) Cite this as: BMJ 2008;336:876

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: March 2008 to July 2019

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AbstractFullPdf
Mar 20088339501236
Apr 2008105019521173
May 2008171421297
Jun 2008106402159
Jul 200884204119
Aug 20087113782
Sep 20087315665
Oct 20088023893
Nov 20088422680
Dec 20084016879
Jan 20095415087
Feb 20095417468
Mar 200977239111
Apr 20096519398
May 20094116693
Jun 20093813055
Jul 20092811654
Aug 2009266846
Sep 20095211951
Oct 20093914365
Nov 20093714372
Dec 20091512253
Jan 20101913658
Feb 20101911342
Mar 20101815359
Apr 20101911368
May 20102016556
Jun 20102014952
Jul 20101614745
Aug 20101816549
Sep 20102119051
Oct 20102815456
Nov 20102019076
Dec 20101110846
Jan 20111012180
Feb 20111713866
Mar 20113216587
Apr 20112411645
May 2011349357
Jun 2011158141
Jul 2011266334
Aug 2011355047
Sep 2011379453
Oct 20114922163
Nov 20112515343
Dec 2011014816
Jan 2012020338
Feb 2012010720
Mar 2012013221
Apr 2012013429
May 20125311435
Jun 2012118019
Jul 201258921
Aug 2012410219
Sep 201267926
Oct 2012029429
Nov 2012222132
Dec 201209533
Jan 2013015320
Feb 201311289
Mar 2013022024
Apr 2013224317
May 2013829643
Jun 20131622725
Jul 20131720034
Aug 2013214320
Sep 2013520733
Oct 20131137738
Nov 2013442954
Dec 2013532348
Jan 2014328733
Feb 2014028727
Mar 2014034933
Apr 2014038850
May 2014029321
Jun 2014316717
Jul 2014010019
Aug 201405717
Sep 201408025
Oct 20140347
Nov 201406211
Dec 201406817
Jan 2015016526
Feb 2015221522
Mar 2015017839
Apr 2015114948
May 2015016942
Jun 201508617
Jul 201514821
Aug 201506016
Sep 2015616862
Oct 20151759
Nov 2015814220
Dec 201510958
Jan 2016910713
Feb 201659027
Mar 201629119
Apr 201659816
May 2016211014
Jun 201618421
Jul 20160809
Aug 201619613
Sep 2016296285
Oct 201617512
Nov 201628314
Dec 201617718
Jan 20172778
Feb 20170909
Mar 2017110310
Apr 201709612
May 201707614
Jun 2017011911
Jul 201706714
Aug 20170528
Sep 2017010222
Oct 201709116
Nov 201709313
Dec 201708718
Jan 201806416
Feb 2018510117
Mar 2018013216
Apr 2018011636
May 201839117
Jun 20180668
Jul 201805511
Aug 2018011317
Sep 20180906
Oct 201807922
Nov 2018012619
Dec 2018013125
Jan 2019110818
Feb 201908316
Mar 201909427
Apr 201959627
May 2019910614
Jun 201925317
Jul 20190164
Total3147250217769