Intended for healthcare professionals

Education And Debate

Systematic Reviews: Identifying relevant studies for systematic reviews

BMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6964.1286 (Published 12 November 1994) Cite this as: BMJ 1994;309:1286

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 August 2019

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AbstractFullPdf
Jul 2003461330
Aug 200345920
Sep 2003571550
Oct 2003741550
Nov 2003642030
Dec 2003271600
Jan 2004622040
Feb 2004711980
Mar 2004732180
Apr 2004752070
May 20041002560
Jun 2004912580
Jul 2004942490
Aug 2004712610
Sep 2004502111
Oct 2004792230
Nov 2004942240
Dec 2004902202
Jan 2005942040
Feb 2005782170
Mar 20051112050
Apr 2005441560
May 2005481410
Jun 2005571170
Jul 2005611410
Aug 2005551260
Sep 2005591300
Oct 2005691510
Nov 2005461430
Dec 2005631130
Jan 2006691510
Feb 2006571130
Mar 2006531520
Apr 2006761410
May 2006381070
Jun 2006501000
Jul 2006561360
Aug 200648860
Sep 2006481040
Oct 2006611130
Nov 2006751320
Dec 200638880
Jan 2007831520
Feb 2007461390
Mar 2007571520
Apr 2007401170
May 2007481060
Jun 2007431350
Jul 2007401010
Aug 2007401110
Sep 2007461080
Oct 2007451080
Nov 2007731340
Dec 2007761280
Jan 2008981320
Feb 20081241810
Mar 20081851600
Apr 2008971353
May 2008691650
Jun 2008481250
Jul 2008501160
Aug 2008421610
Sep 2008511120
Oct 2008751320
Nov 2008681120
Dec 20081591160
Jan 20092421180
Feb 20093991171
Mar 20096561260
Apr 20091801080
May 2009115850
Jun 2009310520
Jul 2009135610
Aug 2009125651
Sep 2009158870
Oct 2009263920
Nov 2009278970
Dec 2009180680
Jan 2010200770
Feb 2010165630
Mar 2010200970
Apr 2010247800
May 2010215780
Jun 2010168440
Jul 2010171730
Aug 2010159670
Sep 2010217990
Oct 20102171060
Nov 2010147910
Dec 201091440
Jan 2011117430
Feb 2011132680
Mar 2011169650
Apr 2011118460
May 2011116390
Jun 201182400
Jul 201192500
Aug 201176720
Sep 201197730
Oct 201195790
Nov 2011301340
Dec 201101630
Jan 2012921130
Feb 2012103470
Mar 2012104570
Apr 201296520
May 2012118180
Jun 201256220
Jul 201260250
Aug 201250430
Sep 201245430
Oct 201278530
Nov 2012107620
Dec 201236320
Jan 201333270
Feb 201325190
Mar 201339310
Apr 201320230
May 201346200
Jun 201353160
Jul 201355250
Aug 201334270
Sep 201324300
Oct 201361230
Nov 201376180
Dec 2013107170
Jan 201465240
Feb 201453400
Mar 201454280
Apr 201440290
May 201449470
Jun 201445470
Jul 201441680
Aug 2014145280
Sep 201480322
Oct 201459200
Nov 201494460
Dec 2014188302
Jan 2015566225159
Feb 2015443219168
Mar 2015143466
Apr 2015110694
May 2015225512
Jun 2015412513
Jul 201550296
Aug 201521229
Sep 2015101160
Oct 201573160
Nov 201560170
Dec 201578290
Jan 201679290
Feb 201675156111
Mar 201694240
Apr 2016112260
May 2016132270
Jun 2016807651
Jul 2016708638
Aug 2016553611
Sep 201645220
Oct 2016705231
Nov 201699240
Dec 201642250
Jan 201741430
Feb 201755350
Mar 201746460
Apr 201739460
May 201735260
Jun 201733190
Jul 201734220
Aug 201730200
Sep 201739300
Oct 201749240
Nov 201743250
Dec 201745480
Jan 2018159330
Feb 201835260
Mar 2018112530
Apr 2018150340
May 2018265190
Jun 2018364400
Jul 2018360240
Aug 2018267260
Sep 2018310130
Oct 2018237160
Nov 2018107270
Dec 201846210
Jan 201960170
Feb 201970240
Mar 2019127480
Apr 2019116440
May 201999510
Jun 201980270
Jul 201981410
Aug 201939230
Total1961316619621