Intended for healthcare professionals

Netlines Netlines

NETLINES

BMJ 1999; 319 doi: https://doi.org/10.1136/bmj.319.7212.790 (Published 18 September 1999) Cite this as: BMJ 1999;319:790

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 November 2021

Rendering graph...
AbstractFullPdf
Jul 20030330
Aug 20030290
Sep 20030220
Oct 20030290
Nov 20030290
Dec 20030260
Jan 20040280
Feb 20040290
Mar 20040561
Apr 20040300
May 20040460
Jun 20040500
Jul 20040410
Aug 20040490
Sep 20040200
Oct 20040130
Nov 20040140
Dec 20040310
Jan 20050280
Feb 20050170
Mar 20050130
Apr 20050100
May 2005080
Jun 2005070
Jul 20050160
Aug 20050130
Sep 2005070
Oct 20050180
Nov 20050161
Dec 20050160
Jan 20060100
Feb 20060120
Mar 20060110
Apr 2006090
May 2006070
Jun 2006080
Jul 2006090
Aug 2006080
Sep 20060100
Oct 20060150
Nov 20060150
Dec 2006070
Jan 20070120
Feb 2007090
Mar 2007090
Apr 2007080
May 20070130
Jun 2007090
Jul 20070120
Aug 2007050
Sep 2007090
Oct 2007090
Nov 20070120
Dec 20070110
Jan 2008070
Feb 20080160
Mar 20080490
Apr 20080870
May 200801110
Jun 20080760
Jul 20080130
Aug 20080720
Sep 20080370
Oct 20080100
Nov 20080110
Dec 20080100
Feb 2009030
Mar 2009020
May 2009010
Jun 2009010
Aug 2009020
Dec 2009010
Jun 2010010
Jul 2010060
Aug 2010020
Sep 2010100
Oct 2010400
Nov 2010310
Dec 2010010
Jan 2011100
Mar 2011310
Apr 2011200
Jun 20111120
Jul 2011400
Aug 2011220
Sep 2011340
Oct 2011130
Nov 2011100
Dec 2011030
Jan 2012510
Feb 2012200
Mar 2012400
Apr 2012500
May 2012420
Jun 2012200
Jul 2012100
Aug 2012100
Sep 2012110
Oct 2012760
Nov 2012300
Dec 2012200
Jan 2013610
Feb 2013510
Mar 2013220
Apr 2013800
May 2013510
Jun 2013700
Jul 2013400
Aug 2013110
Sep 20131800
Oct 2013400
Nov 2013900
Dec 20134310
Jan 2014600
Feb 2014210
Mar 2014900
Apr 2014700
May 2014100
Jun 2014710
Jul 20140110
Aug 2014410
Sep 2014900
Oct 2014510
Nov 2014320
Dec 2014810
Jan 2015900
Feb 2015200
Mar 2015630
Apr 2015610
May 20151100
Jun 2015200
Jul 2015800
Aug 2015600
Sep 2015100
Oct 2015600
Nov 2015400
Dec 2015810
Jan 2016800
Feb 2016910
Mar 20161300
Apr 2016700
May 20161500
Jun 20162300
Jul 20162000
Aug 2016500
Sep 2016610
Oct 2016900
Nov 2016200
Dec 2016500
Jan 2017900
Feb 2017730
Mar 2017600
Apr 2017700
May 2017200
Jun 2017300
Jul 2017500
Aug 2017500
Sep 2017400
Oct 2017600
Nov 2017500
Dec 2017400
Jan 2018410
Feb 2018710
Mar 2018500
Apr 20181500
May 2018800
Jun 2018410
Jul 2018410
Aug 20181200
Sep 2018200
Oct 2018100
Nov 2018230
Dec 2018900
Jan 20191100
Feb 20191110
Mar 20191310
Apr 2019500
May 2019800
Jun 2019800
Jul 2019300
Aug 2019400
Oct 2019200
Nov 2019200
Dec 2019300
Jan 2020600
Feb 2020600
Mar 2020410
Apr 2020300
May 20202010
Jun 2020700
Jul 2020500
Aug 2020200
Sep 20202210
Oct 20203600
Nov 20201900
Dec 20201410
Jan 20211310
Feb 2021300
Mar 2021300
Apr 2021700
May 2021300
Jun 2021200
Jul 2021600
Aug 2021300
Sep 2021300
Oct 20211300
Nov 2021600
Total84915772