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Research Methods & Reporting

How to avoid common problems when using ClinicalTrials.gov in research: 10 issues to consider

BMJ 2018; 361 doi: https://doi.org/10.1136/bmj.k1452 (Published 25 May 2018) Cite this as: BMJ 2018;361:k1452

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: May 2018 to February 2020

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AbstractFullPdf
May 201892364248
Jun 2018102593368
Jul 2018132279300
Aug 2018101095219
Sep 20187779157
Oct 20187802158
Nov 201861097132
Dec 201810995101
Jan 2019191113123
Feb 201913103093
Mar 201917944128
Apr 201915960129
May 20197839115
Jun 2019101151130
Jul 20191199797
Aug 2019121173120
Sep 2019121172111
Oct 201912170890
Nov 2019171023103
Dec 2019574385
Jan 202018881141
Feb 202013516128
Total253262543276