Article metrics

Controlled trials from history
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Online download statistics by month:

Online download statistics by month: September 1999 to August 2021

AbstractFullPdf
Sep 19990100
Oct 1999020
Nov 1999060
Dec 1999010
Jan 2000030
Feb 2000050
Mar 2000020
Apr 2000020
Jul 2000010
Sep 2000020
Oct 2000010
Nov 2000010
Apr 2001020
Jun 2001020
Jul 2001020
Aug 2001020
Sep 2001001
Nov 20010100
Feb 2002010
Mar 2002020
Apr 2002010
May 2002010
Jun 2002040
Aug 2002010
Jan 2003080
Feb 2003020
Mar 2003010
Apr 2003010
May 2003010
Jul 2003020
Aug 2003030
Sep 20030130
Oct 2003020
Nov 20030130
Dec 2003040
Jan 2004030
Feb 2004040
Mar 2004070
Apr 2004020
May 20040171
Jun 20040310
Jul 2004060
Aug 20040550
Sep 20040210
Oct 20046110
Nov 20041050
Dec 200410100
Jan 20054141
Feb 20053120
Mar 20055100
Apr 2005260
May 2005130
Jun 2005130
Jul 20054100
Aug 2005193
Sep 2005050
Oct 2005020
Nov 2005270
Dec 20052110
Jan 2006360
Feb 2006360
Mar 2006140
Apr 2006010
May 2006233
Jun 2006010
Aug 2006120
Oct 2006020
Nov 2006133
Jan 2007150
Feb 2007130
Mar 2007100
Apr 2007400
May 2007100
Jun 2007110
Jul 2007020
Nov 2007660
Jan 2008120
Mar 2008210
May 2008010
Jun 2008200
Jul 2008200
Aug 2008110
Sep 2008110
Oct 2008010
Nov 2008120
Dec 2008010
Jan 2009600
Feb 2009210
May 2009100
Jun 2009400
Jul 2009310
Aug 2009100
Sep 2009700
Oct 2009210
Nov 2009110
Dec 2009200
Jan 2010010
Feb 2010020
Mar 2010330
May 2010210
Jun 2010110
Jul 2010110
Aug 2010140
Sep 2010210
Oct 2010330
Nov 2010240
Dec 2010100
Jan 2011200
Feb 2011210
Mar 2011120
Apr 2011400
May 2011400
Jun 2011100
Jul 2011150
Aug 2011200
Sep 2011200
Nov 2011210
Dec 2011650
Jan 2012220
Feb 2012530
Mar 2012580
Apr 2012230
May 2012520
Jun 2012120
Jul 2012420
Aug 2012270
Sep 2012110
Oct 2012490
Nov 2012830
Dec 2012260
Jan 2013990
Feb 2013220
Mar 2013530
Apr 2013530
May 2013520
Jun 2013230
Jul 2013130
Aug 2013320
Sep 2013530
Oct 2013200
Nov 2013120
Dec 2013100
Jan 2014400
Mar 2014530
Apr 2014640
May 2014310
Jun 2014330
Jul 2014710
Sep 2014320
Oct 2014010
Nov 2014010
Dec 2014300
Jan 2015030
Feb 2015020
Mar 2015330
Apr 2015620
May 20151200
Jun 2015120
Jul 20151770
Aug 20152430
Sep 201514310
Oct 2015010
Nov 20154310
Dec 20152620
Jan 2016100
Feb 20161220
Mar 20162200
May 2016100
Sep 2016100
Oct 2016010
Nov 2016550
Jan 2017200
Feb 2017100
Mar 2017020
Apr 2017040
May 2017020
Jun 2017130
Jul 2017330
Aug 2017330
Sep 2017660
Oct 2017550
Nov 2017110
Dec 2017330
Jan 2018330
Feb 2018330
Mar 2018660
Apr 2018660
May 201811110
Jun 2018550
Jul 2018440
Aug 2018880
Sep 2018220
Oct 2018330
Dec 2018660
Jan 2019550
Feb 2019330
Mar 201911110
Apr 201913130
May 2019440
Jun 2019220
Jul 2019110
Aug 2019110
Sep 2019110
Oct 2019550
Dec 2019660
Jan 2020220
Feb 2020550
Apr 2020220
May 2020660
Jun 2020660
Jul 2020760
Aug 2020220
Sep 202027260
Oct 202020200
Nov 202011110
Dec 2020770
Jan 2021540
Feb 2021330
Mar 2021660
Apr 2021550
May 2021220
Jun 202112120
Jul 2021330
Aug 2021660
Total86387812