Is there a need to control the placebo in placebo controlled trials?

A. J. De Craen; J. G. Tijssen; J. Kleijnen

doi:10.1136/hrt.77.2.95

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Is there a need to control the placebo in placebo controlled trials?

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	Abstract	Full	Pdf
Jan 1999	0	0	5
Feb 1999	0	0	2
Mar 1999	0	0	1
Apr 1999	0	0	2
May 1999	0	0	3
Jun 1999	0	0	3
Jul 1999	0	0	8
Aug 1999	0	0	1
Oct 1999	0	0	1
Nov 1999	0	0	3
Apr 2000	0	0	1
Jun 2000	0	0	1
Jul 2000	0	0	3
Aug 2000	0	0	3
Sep 2000	0	0	2
Nov 2000	0	0	1
Dec 2000	0	0	3
Jan 2001	0	0	1
Mar 2001	0	0	1
Apr 2001	0	0	4
May 2001	0	0	1
Jun 2001	0	0	1
Jul 2001	0	0	2
Oct 2001	0	0	2
Nov 2001	0	0	1
Dec 2001	0	5	2
Feb 2002	0	0	1
Mar 2002	0	0	1
May 2002	0	0	2
Aug 2002	0	0	5
Oct 2002	0	0	1
Jan 2003	0	0	1
Mar 2003	0	0	1
Apr 2003	0	0	1
May 2003	0	0	1
Aug 2003	0	0	1
Sep 2003	0	0	1
Oct 2003	0	0	1
Jan 2004	0	0	4
Feb 2004	0	0	1
Apr 2004	0	0	2
May 2004	0	0	4
Jun 2004	0	0	1
Jul 2004	0	0	1
Aug 2004	0	0	2
Oct 2004	0	0	3
Nov 2004	0	0	2
Dec 2004	0	0	4
Jan 2005	0	0	3
Feb 2005	0	0	2
May 2005	0	0	2
Jun 2005	0	0	2
Jul 2005	0	0	2
Aug 2005	0	0	6
Sep 2005	0	0	2
Oct 2005	0	0	1
Nov 2005	0	0	1
Jan 2006	0	0	2
Feb 2006	0	0	7
May 2006	0	0	3
Jun 2006	0	0	2
Jul 2006	0	0	2
Aug 2006	0	0	3
Sep 2006	0	0	9
Oct 2006	0	0	6
Nov 2006	0	0	10
Dec 2006	0	0	3
Jan 2007	0	0	2
Feb 2007	0	0	7
Mar 2007	0	0	10
Apr 2007	0	0	3
May 2007	0	0	4
Jun 2007	0	0	1
Jul 2007	0	0	4
Sep 2007	0	0	4
Oct 2007	0	0	3
Nov 2007	0	0	1
Jan 2008	0	0	6
Feb 2008	0	0	4
Mar 2008	0	0	4
Apr 2008	0	0	1
May 2008	0	0	3
Jul 2008	0	0	3
Aug 2008	0	0	4
Oct 2008	0	0	1
Dec 2008	0	0	1
Mar 2009	0	0	4
May 2009	0	0	1
Aug 2009	0	0	1
Dec 2009	0	0	3
Jan 2010	0	0	4
Jul 2010	0	0	2
Aug 2010	0	0	1
Sep 2010	0	0	20
Oct 2010	0	0	9
Nov 2010	0	0	1
Mar 2011	0	0	15
Apr 2011	0	0	9
May 2011	0	0	5
Jun 2011	0	0	1
Jul 2011	0	0	2
Aug 2011	0	0	1
Nov 2011	0	0	1
Dec 2011	0	0	32
Jan 2012	0	0	9
Feb 2012	0	0	8
Mar 2012	0	0	7
Apr 2012	0	0	1
May 2012	0	0	9
Jun 2012	0	0	8
Jul 2012	0	0	6
Aug 2012	0	0	21
Sep 2012	0	0	8
Oct 2012	0	0	5
Nov 2012	0	0	1
Dec 2012	0	0	5
Jan 2013	0	0	4
Feb 2013	0	0	6
Mar 2013	0	0	8
Apr 2013	0	0	3
May 2013	0	0	8
Jun 2013	0	0	1
Aug 2013	0	0	2
Sep 2013	0	0	5
Oct 2013	0	0	4
Nov 2013	0	0	2
Dec 2013	0	0	1
Jan 2014	0	0	3
Feb 2014	0	0	1
Mar 2014	0	0	8
Apr 2014	0	0	6
May 2014	0	0	6
Jun 2014	0	0	3
Jul 2014	0	0	6
Aug 2014	0	0	1
Sep 2014	0	0	1
Oct 2014	0	0	2
Nov 2014	0	0	1
Dec 2014	0	0	1
Jan 2015	0	0	1
Feb 2015	0	0	5
Mar 2015	2	0	7
Apr 2015	0	0	3
Jun 2015	0	0	1
Jul 2015	0	0	4
Aug 2015	0	0	7
Sep 2015	0	0	4
Jan 2016	0	0	19
Feb 2016	0	0	4
Mar 2016	0	0	3
Apr 2016	0	0	2
May 2016	0	0	2
Jun 2016	0	0	5
Jul 2016	0	0	2
Aug 2016	0	0	3
Sep 2016	0	0	4
Nov 2016	0	0	6
Dec 2016	0	1	3
Jan 2017	0	0	7
Feb 2017	0	0	2
Jun 2017	0	0	1
Sep 2017	0	0	1
Dec 2017	0	0	1
Feb 2018	0	0	2
May 2018	0	0	1
Jun 2018	0	0	1
Aug 2018	0	0	4
Sep 2018	0	0	1
Oct 2018	0	0	3
Nov 2018	0	0	1
Jan 2019	0	0	1
Mar 2019	0	0	3
Apr 2019	0	0	1
May 2019	0	0	1
Jun 2019	0	0	3
Jul 2019	0	0	2
Aug 2019	0	0	2
Sep 2019	0	0	1
Oct 2019	0	0	1
Nov 2019	0	0	2
Dec 2019	0	0	5
Jan 2020	0	0	1
Feb 2020	0	0	2
Mar 2020	0	0	1
May 2020	0	0	2
Jun 2020	0	0	3
Jul 2020	0	0	4
Aug 2020	0	0	3
Sep 2020	0	0	2
Oct 2020	0	0	3
Nov 2020	0	0	3
Jan 2021	0	0	4
Feb 2021	0	0	8
Mar 2021	0	0	2
May 2021	0	0	1
Jun 2021	0	0	6
Jul 2021	0	0	1
Aug 2021	0	0	3
Sep 2021	0	0	7
Oct 2021	0	0	18
Nov 2021	0	0	13
Dec 2021	0	0	6
Jan 2022	0	0	3
Mar 2022	0	0	7
Apr 2022	0	0	8
May 2022	0	0	7
Jun 2022	0	0	3
Aug 2022	0	0	5
Sep 2022	0	0	16
Oct 2022	0	0	6
Nov 2022	0	0	4
Dec 2022	0	0	3
Jan 2023	0	0	3
Feb 2023	0	0	3
Mar 2023	0	0	2
Apr 2023	0	0	4
May 2023	0	0	4
Jul 2023	0	0	6
Aug 2023	0	0	5
Sep 2023	0	0	4
Oct 2023	0	0	5
Nov 2023	0	0	2
Dec 2023	0	0	1
Mar 2024	0	0	2
Sep 2024	0	0	1
Total	2	6	845

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