Intended for healthcare professionals

Endgames Statistical Question

Internal and external validity

BMJ 2010; 340 doi: https://doi.org/10.1136/bmj.c1705 (Published 31 March 2010) Cite this as: BMJ 2010;340:c1705

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: March 2010 to August 2019

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AbstractFullPdf
Mar 2010221570
Apr 20105849020
May 201097720
Jun 201069700
Jul 201020340
Aug 201015470
Sep 201054490
Oct 201022370
Nov 201035470
Dec 201031300
Jan 201120430
Feb 201114290
Mar 201129610
Apr 2011109960
May 201139430
Jun 201118460
Jul 201120240
Aug 201126260
Sep 201129490
Oct 201137530
Nov 20118620
Dec 20110510
Jan 201224220
Feb 201226280
Mar 201222120
Apr 201230570
May 201225480
Jun 201219170
Jul 201217120
Aug 201222160
Sep 201220380
Oct 201224520
Nov 201251450
Dec 201221240
Jan 201375350
Feb 201348300
Mar 201335250
Apr 201346360
May 201359400
Jun 201341240
Jul 201338200
Aug 201321250
Sep 201334160
Oct 201335300
Nov 201341300
Dec 201319190
Jan 201429270
Feb 201430410
Mar 201445650
Apr 201422880
May 201421280
Jun 20149180
Jul 20140260
Aug 20149140
Sep 2014152300
Oct 20141280
Nov 20144310
Dec 201412360
Jan 201511200
Feb 201516530
Mar 201555370
Apr 201521570
May 20158280
Jun 201516103
Jul 2015460
Aug 201511210
Sep 201525580
Oct 201512230
Nov 201514250
Dec 201511320
Jan 20168290
Feb 201618431
Mar 201620271
Apr 201630412
May 201639330
Jun 201612231
Jul 20161690
Aug 201612110
Sep 201631160
Oct 201618130
Nov 201618140
Dec 201613203
Jan 201746210
Feb 201744130
Mar 201744320
Apr 201732320
May 201723310
Jun 20173080
Jul 201734130
Aug 201719240
Sep 201740290
Oct 201736240
Nov 201718120
Dec 201770230
Jan 201873300
Feb 201892300
Mar 2018109450
Apr 201872530
May 201856290
Jun 201869380
Jul 201825100
Aug 201877270
Sep 201843150
Oct 201840260
Nov 201849290
Dec 201823290
Jan 201939130
Feb 201930140
Mar 201917190
Apr 201947140
May 201954220
Jun 201953130
Jul 201929130
Aug 20191990
Total4179475011