Intended for healthcare professionals

News

UK clinical trials must be registered to win ethics committee approval

BMJ 2013; 347 doi: https://doi.org/10.1136/bmj.f5614 (Published 16 September 2013) Cite this as: BMJ 2013;347:f5614

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

Rendering graph...
AbstractFullPdf
Jan 201818121
Feb 201826141
Mar 201816170
Apr 2018850
May 20182330
Jun 20181750
Jul 2018650
Aug 2018720
Sep 20181700
Oct 20181990
Nov 201827121
Dec 20182870
Jan 20194780
Feb 20192760
Mar 20194280
Apr 20194540
May 20193110
Jun 20194130
Jul 20191040
Aug 201914130
Oct 201919100
Nov 20192761
Dec 201923131
Jan 20201791
Feb 20201871
Mar 2020970
May 202068141
Jun 20201460
Jul 202085120
Aug 202043620
Sep 202023100
Oct 202016241
Nov 20201521
Dec 20201750
Jan 20211750
Feb 20214831
Mar 20212210
Apr 20212861
May 20212040
Jun 2021900
Jul 20211700
Aug 20211741
Sep 20211630
Oct 20212821
Nov 20211540
Dec 20212300
Jan 20222643
Feb 20221540
Mar 20221400
Apr 20222120
May 20222652
Jun 20221251
Jul 2022532
Aug 20221342
Sep 2022520
Oct 20222100
Nov 20221540
Dec 20222520
Jan 20232660
Feb 20233841
Mar 20232150
Apr 20231131
May 2023610
Jun 2023750
Jul 2023730
Aug 2023941
Sep 20231112
Oct 2023820
Nov 20231320
Dec 202346110
Jan 20245870
Feb 20247370
Mar 20248731
Apr 20242920
Total177145830