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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: January 2018 to March 2024

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AbstractFullPdf
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 201925818
Aug 2019422923
Oct 201927921
Nov 2019313139
Dec 201909821
Jan 202009530
Feb 2020213224
Mar 202019430
May 20201121126
Jun 202037824
Jul 2020622819
Aug 202047816
Sep 2020111267
Oct 2020512944
Nov 2020111672
Dec 20201018633
Jan 202128726
Feb 2021311523
Mar 2021213041
Apr 2021618534
May 2021412239
Jun 202107831
Jul 202138612
Aug 202139715
Sep 2021012856
Oct 202129653
Nov 2021212660
Dec 202119327
Jan 202287421
Feb 202209529
Mar 2022411339
Apr 2022114841
May 2022015064
Jun 2022417142
Jul 202228719
Aug 2022111820
Sep 2022113150
Oct 2022415137
Nov 2022113644
Dec 2022111729
Jan 2023012319
Feb 202307017
Mar 2023110824
Apr 2023013745
May 2023110233
Jun 202317129
Jul 202319216
Aug 202307221
Sep 2023210638
Oct 2023116123
Nov 2023017351
Dec 2023029826
Jan 2024037952
Feb 2024027634
Mar 202407731
Total14288372147