Intended for healthcare professionals

Education And Debate Getting research findings into practice

When to act on the evidence

BMJ 1998; 317 doi: https://doi.org/10.1136/bmj.317.7151.139 (Published 11 July 1998) Cite this as: BMJ 1998;317:139

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 June 2021

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AbstractFullPdf
Jul 200301350
Aug 200301540
Sep 200301880
Oct 200301930
Nov 200312110
Dec 200301970
Jan 200402320
Feb 200401920
Mar 200412781
Apr 200422420
May 200401980
Jun 200421960
Jul 200402060
Aug 200402420
Sep 200461770
Oct 2004231510
Nov 2004111970
Dec 2004292200
Jan 2005242430
Feb 200571650
Mar 2005142940
Apr 200591640
May 2005151521
Jun 200571360
Jul 200561080
Aug 2005211973
Sep 200541320
Oct 200591310
Nov 2005151751
Dec 2005141100
Jan 200671170
Feb 200661610
Mar 2006112000
Apr 200681820
May 2006181713
Jun 200661340
Jul 200691000
Aug 200671940
Sep 20062980
Oct 200651400
Nov 200631093
Dec 20066880
Jan 200731030
Feb 20078820
Mar 200741510
Apr 200711140
May 200721030
Jun 20076650
Jul 20072740
Aug 200721020
Sep 20074870
Oct 20073930
Nov 20073810
Dec 20072620
Jan 20086980
Feb 20082950
Mar 200811660
Apr 200871400
May 20083930
Jun 200821091
Jul 20085790
Aug 200821350
Sep 20081760
Oct 200891010
Nov 200841101
Dec 20086710
Jan 200923630
Feb 200929360
Mar 200942500
Apr 200923400
May 200918371
Jun 200915310
Jul 200910290
Aug 200937530
Sep 200921460
Oct 200929380
Nov 200964760
Dec 200930341
Jan 201023370
Feb 201021280
Mar 201036680
Apr 201047370
May 201051370
Jun 201028300
Jul 201024270
Aug 201028310
Sep 201033260
Oct 201021480
Nov 201024420
Dec 201014230
Jan 201114140
Feb 201122270
Mar 201122440
Apr 201110120
May 201131170
Jun 20117110
Jul 20118130
Aug 201110350
Sep 20116390
Oct 201113710
Nov 20110330
Dec 20110630
Jan 201228210
Feb 20122080
Mar 201230110
Apr 201258330
May 201212170
Jun 2012510
Jul 201211210
Aug 20127110
Sep 20121060
Oct 201235870
Nov 201265130
Dec 20124070
Jan 20132620
Feb 20131360
Mar 20133270
Apr 201329160
May 201339160
Jun 201323110
Jul 201318160
Aug 20132440
Sep 20132180
Oct 2013191170
Nov 201342130
Dec 201335140
Jan 20143480
Feb 20144940
Mar 201458120
Apr 201472110
May 201448200
Jun 201436140
Jul 20140750
Aug 20146821
Sep 20145110
Oct 20142950
Nov 201427160
Dec 201443100
Jan 20153890
Feb 20152840
Mar 201525210
Apr 201528351
May 201528230
Jun 20151700
Jul 20152010
Aug 201523110
Sep 20151350
Oct 20152580
Nov 20151790
Dec 20152590
Jan 201627170
Feb 201616131
Mar 201644250
Apr 201627200
May 201628180
Jun 20162710
Jul 201628200
Aug 201628140
Sep 20162130
Oct 201629131
Nov 20162450
Dec 20162460
Jan 20171950
Feb 201733190
Mar 201741160
Apr 20172320
May 201723300
Jun 20172790
Jul 201726100
Aug 20172730
Sep 20172100
Oct 20172370
Nov 20173100
Dec 20172830
Jan 20182750
Feb 20184370
Mar 201833280
Apr 201852340
May 20183850
Jun 201820180
Jul 20182420
Aug 20182420
Sep 201819110
Oct 20182850
Nov 201835140
Dec 20182650
Jan 20192640
Feb 20191710
Mar 201957110
Apr 201917230
May 201927140
Jun 20192410
Jul 20192140
Aug 20191440
Sep 20191850
Oct 201913100
Nov 20192550
Dec 20191930
Jan 20201710
Feb 20203460
Mar 20202350
Apr 202027290
May 202061170
Jun 20201630
Jul 20202090
Aug 202024100
Sep 20202420
Oct 20207440
Nov 20204220
Dec 20203780
Jan 20212030
Feb 20212330
Mar 20213330
Apr 20213050
May 20212610
Jun 20211200
Total45091241620