Intended for healthcare professionals

Letters

Evidence based medicine

BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.6999.257a (Published 22 July 1995) Cite this as: BMJ 1995;311:257

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 2018310
Feb 2018900
Mar 2018200
Apr 2018400
May 2018710
Jun 2018220
Jul 2018010
Aug 2018600
Sep 2018300
Oct 2018300
Nov 2018110
Dec 2018400
Jan 2019100
Feb 2019300
Mar 2019220
Apr 2019310
May 2019400
Jun 2019300
Jul 2019200
Aug 2019420
Oct 2019200
Nov 2019120
Dec 2019100
Jan 2020310
Feb 2020500
Mar 2020100
May 2020610
Jun 20201000
Jul 2020310
Aug 2020120
Sep 2020610
Oct 2020800
Nov 20201520
Dec 2020900
Jan 2021810
Feb 2021400
Mar 2021600
Apr 2021510
May 2021700
Jun 2021200
Jul 2021400
Aug 20211200
Sep 2021300
Oct 2021440
Nov 2021320
Dec 2021520
Jan 2022300
Feb 2022500
Mar 2022700
Apr 20221100
May 2022200
Jun 2022520
Jul 2022310
Aug 2022600
Sep 2022400
Oct 20221030
Nov 2022500
Dec 20221810
Jan 2023410
Feb 2023300
Mar 2023020
Apr 2023610
May 2023300
Jun 2023600
Jul 2023300
Sep 2023500
Oct 2023700
Nov 2023300
Dec 20232310
Jan 20242010
Feb 20242600
Mar 2024520
Total393460