Letters Congenital abnormalities

Data needed to establish causes

BMJ 2009; 339 doi: https://doi.org/10.1136/bmj.b3428 (Published 25 August 2009) Cite this as: BMJ 2009;339:b3428

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: August 2009 to April 2018

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AbstractFullPdf
Aug 20091251480
Sep 2009113590
Oct 20091290
Nov 20095120
Dec 20099160
Jan 201010130
Feb 2010930
Mar 2010840
Apr 2010320
May 20101030
Jun 2010330
Jul 2010520
Aug 2010670
Sep 2010520
Oct 2010620
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Dec 2010430
Jan 2011400
Feb 2011210
Mar 2011510
Apr 2011520
May 2011810
Jun 2011420
Jul 2011010
Aug 2011100
Sep 2011440
Oct 2011200
Nov 2011740
Dec 2011600
Jan 2012700
Feb 2012210
Mar 2012240
Apr 2012430
May 2012220
Jun 2012330
Jul 2012100
Aug 2012100
Sep 2012300
Oct 2012510
Nov 2012010
Dec 2012120
Jan 2013010
Feb 2013110
Mar 2013200
May 2013300
Jun 2013700
Jul 2013440
Aug 2013510
Sep 2013010
Oct 2013120
Nov 2013200
Dec 2013100
Jan 2014200
Feb 2014600
Mar 2014410
Apr 2014200
May 2014500
Jun 2014600
Jul 20140130
Aug 20141130
Sep 2014200
Oct 2014300
Nov 2014720
Dec 2014420
Jan 20151000
Feb 2015600
Mar 2015340
Apr 2015730
May 20151810
Jun 20151000
Jul 2015510
Aug 20151300
Sep 20151310
Oct 2015500
Nov 20151740
Dec 20158120
Jan 2016610
Feb 2016600
Mar 2016700
Apr 2016210
May 2016400
Jun 2016510
Jul 20161260
Aug 2016310
Sep 2016300
Oct 2016700
Nov 2016610
Dec 20161160
Jan 2017450
Feb 2017680
Mar 2017600
Apr 2017410
May 2017600
Jun 2017830
Jul 2017420
Aug 2017770
Sep 2017730
Oct 20171570
Nov 20174150
Dec 2017800
Jan 20181200
Feb 2018600
Mar 2018400
Apr 2018610
Total7904470