Intended for healthcare professionals

Letters

Registering clinical trials

BMJ 2000; 320 doi: https://doi.org/10.1136/bmj.320.7245.1339 (Published 13 May 2000) Cite this as: BMJ 2000;320:1339

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 March 2024

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AbstractFullPdf
Jan 2018500
Feb 2018500
Mar 2018300
Apr 2018610
May 2018700
Jun 2018700
Jul 2018200
Aug 2018200
Sep 20181000
Oct 2018400
Nov 2018230
Dec 2018400
Jan 2019110
Feb 2019830
Mar 2019120
Apr 2019210
May 2019600
Jun 2019200
Jul 2019100
Aug 2019100
Oct 2019200
Nov 2019300
Dec 2019720
Jan 2020600
Feb 2020500
Mar 2020100
May 20204330
Jun 2020810
Jul 20201300
Aug 2020200
Sep 20205110
Oct 20203020
Nov 20202500
Dec 20201630
Jan 20211200
Feb 2021500
Mar 2021110
Apr 2021800
May 2021500
Jul 20212000
Aug 20211100
Sep 2021300
Oct 2021800
Nov 2021400
Dec 2021400
Jan 2022200
Feb 2022400
Mar 20221100
Apr 20221100
May 2022900
Jun 2022210
Jul 2022300
Aug 2022820
Sep 2022200
Oct 20221110
Nov 2022320
Dec 2022800
Jan 2023300
Feb 2023600
Mar 2023710
Apr 2023200
May 2023300
Jun 2023410
Jul 2023100
Aug 2023300
Sep 2023710
Oct 2023700
Nov 2023200
Dec 2023500
Jan 20242400
Feb 2024700
Mar 2024110
Total528340