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Education And Debate

Systematic Review: Why sources of heterogeneity in meta-analysis should be investigated

BMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6965.1351 (Published 19 November 1994) Cite this as: BMJ 1994;309:1351

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 October 2019

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AbstractFullPdf
Jul 20030720
Aug 20030480
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Oct 20030540
Nov 20030620
Dec 20030370
Jan 20040500
Feb 20040780
Mar 20040840
Apr 20041410
May 20040790
Jun 200451030
Jul 20040760
Aug 200421170
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Oct 2004111250
Nov 200491260
Dec 2004281120
Jan 2005151590
Feb 2005131220
Mar 2005171470
Apr 20052570
May 20057670
Jun 20056880
Jul 200510940
Aug 2005101090
Sep 20055970
Oct 20056900
Nov 200513960
Dec 20052500
Jan 200661150
Feb 20064940
Mar 200613990
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May 20067660
Jun 20065720
Jul 200616790
Aug 20067640
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Nov 200661280
Dec 2006141080
Jan 2007131190
Feb 2007141210
Mar 2007122150
Apr 200791510
May 2007121640
Jun 200791450
Jul 20078900
Aug 200751300
Sep 200781350
Oct 200781310
Nov 2007111270
Dec 2007191271
Jan 2008512120
Feb 2008371570
Mar 2008291830
Apr 2008271680
May 200891980
Jun 2008102210
Jul 2008171930
Aug 200891730
Sep 2008331950
Oct 2008432480
Nov 2008352180
Dec 2008251700
Jan 20091161330
Feb 20091171020
Mar 20091291750
Apr 20091701370
May 20091291340
Jun 20091191100
Jul 20091001130
Aug 20091261210
Sep 20091221190
Oct 20091541281
Nov 20091971610
Dec 2009152920
Jan 20101401120
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Jun 20101511590
Jul 2010111840
Aug 2010102930
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Nov 20102441300
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Jun 2011142790
Jul 201196760
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Apr 2012113570
May 201243490
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Jul 201232410
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Sep 201248390
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Nov 201276540
Dec 201224110
Jan 201332330
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Mar 201328170
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Jul 201340360
Aug 201332150
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Oct 201361200
Nov 2013100280
Dec 2013109410
Jan 201470280
Feb 201460450
Mar 201459190
Apr 201475270
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Jun 2014112380
Jul 20141750
Aug 201428230
Sep 201420190
Oct 201412170
Nov 201437280
Dec 201420190
Jan 201530790
Feb 201536922
Mar 201537981
Apr 201532871
May 201547660
Jun 201526180
Jul 201516180
Aug 201517200
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Oct 201517100
Nov 2015333215
Dec 201566190
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Feb 201636210
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Apr 201645180
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Aug 201623120
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Oct 201635110
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Dec 20164580
Jan 201739180
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Apr 201743270
May 20171690
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Jul 201722110
Aug 201717180
Sep 201733160
Oct 201742320
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Jan 201828240
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Mar 201818280
Apr 201824260
May 201841250
Jun 201828320
Jul 201815280
Aug 201843460
Sep 201825270
Oct 201842300
Nov 201859380
Dec 201872260
Jan 201966210
Feb 201950260
Mar 201990330
Apr 201979360
May 201980470
Jun 201949560
Jul 201940700
Aug 201980570
Sep 201966400
Oct 201911100
Total99051510425