Intended for healthcare professionals

Education And Debate

Why the impact factor of journals should not be used for evaluating research

BMJ 1997; 314 doi: https://doi.org/10.1136/bmj.314.7079.497 (Published 15 February 1997) Cite this as: BMJ 1997;314:497

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 May 2024

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AbstractFullPdf
Jan 2018260640
Feb 2018298360
Mar 2018188480
Apr 2018178560
May 2018216340
Jun 2018168310
Jul 2018202370
Aug 2018232370
Sep 2018207350
Oct 2018181410
Nov 2018228600
Dec 2018189460
Jan 2019245450
Feb 2019311440
Mar 20196181110
Apr 2019489730
May 2019329720
Jun 2019289720
Jul 2019306620
Aug 2019439590
Oct 2019412640
Nov 2019253590
Dec 2019297520
Jan 2020422480
Feb 2020326410
Mar 2020318350
May 20201490560
Jun 2020432260
Jul 2020288290
Aug 2020281380
Sep 2020483540
Oct 2020454440
Nov 2020434620
Dec 2020357550
Jan 2021425430
Feb 2021375280
Mar 2021409540
Apr 2021390410
May 2021373450
Jun 2021271340
Jul 2021283250
Aug 2021283290
Sep 2021234300
Oct 2021293390
Nov 2021298370
Dec 2021254350
Jan 2022359580
Feb 2022412410
Mar 2022318420
Apr 2022505670
May 2022461620
Jun 20223621730
Jul 2022437740
Aug 20225261150
Sep 2022283770
Oct 2022416770
Nov 20225521050
Dec 2022635630
Jan 2023556700
Feb 2023582670
Mar 20237781060
Apr 20235461000
May 2023660660
Jun 2023566590
Jul 2023572560
Aug 2023620530
Sep 20231523950
Oct 202311341100
Nov 20231078830
Dec 2023957850
Jan 2024885760
Feb 2024750680
Mar 20248011370
Apr 2024766930
May 2024541460
Total3428944900