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BMJ 1998; 316 doi: https://doi.org/10.1136/bmj.316.7136.1009 (Published 28 March 1998) Cite this as: BMJ 1998;316:1009

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: January 2018 to April 2024

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AbstractFullPdf
Jan 20187290
Feb 20187530
Mar 201840140
Apr 201857210
May 20184450
Jun 201851120
Jul 201852140
Aug 201856280
Sep 201882130
Oct 201882140
Nov 201847240
Dec 201859190
Jan 201971200
Feb 201978120
Mar 201948110
Apr 201938100
May 201972110
Jun 20193250
Jul 201963110
Aug 20193760
Oct 20193090
Nov 20194690
Dec 20194580
Jan 202042120
Feb 202031190
Mar 202022140
May 20206730
Jun 202053100
Jul 202011190
Aug 20203270
Sep 20204550
Oct 2020126160
Nov 202012480
Dec 2020115120
Jan 202168100
Feb 20215920
Mar 202139110
Apr 202140120
May 202143100
Jun 202122100
Jul 20212640
Aug 20212850
Sep 20214120
Oct 20212650
Nov 20213450
Dec 20213930
Jan 20223130
Feb 20223720
Mar 20222460
Apr 20223180
May 20222990
Jun 20223170
Jul 202263150
Aug 202229100
Sep 20222170
Oct 202227180
Nov 20223890
Dec 20224460
Jan 202351110
Feb 20232060
Mar 202331110
Apr 20233490
May 20231730
Jun 20231760
Jul 20232220
Aug 20233460
Sep 20232130
Oct 20233350
Nov 20233560
Dec 20233660
Jan 202434110
Feb 20242410
Mar 20241450
Apr 20243830
Total33766760