Intended for healthcare professionals

Letters

Is cost effective

BMJ 1995; 310 doi: https://doi.org/10.1136/bmj.310.6987.1135a (Published 29 April 1995) Cite this as: BMJ 1995;310:1135

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 February 2024

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AbstractFullPdf
Jan 2018200
Feb 2018100
Mar 2018200
Apr 2018600
May 2018400
Jul 2018100
Aug 2018300
Oct 2018200
Nov 2018110
Dec 2018400
Jan 2019200
Feb 2019200
Mar 2019110
Apr 2019500
May 2019400
Jun 2019400
Jul 2019100
Aug 2019200
Nov 2019100
Dec 2019200
Jan 2020110
Feb 2020400
May 2020100
Jun 2020200
Jul 2020300
Aug 2020320
Sep 2020900
Oct 20203910
Nov 20202520
Dec 2020810
Jan 2021220
Feb 2021200
Mar 2021200
Apr 2021500
May 2021800
Jun 2021300
Jul 2021400
Aug 2021400
Sep 2021200
Oct 2021500
Nov 2021400
Dec 2021510
Jan 2022520
Feb 2022300
Mar 2022200
Apr 2022200
May 2022300
Jun 2022610
Jul 2022420
Aug 2022110
Sep 2022100
Oct 2022700
Nov 2022610
Dec 2022400
Jan 2023100
Feb 2023200
Apr 2023200
May 2023200
Jun 2023100
Jul 2023100
Aug 2023100
Sep 2023700
Oct 2023800
Nov 2023100
Dec 2023100
Jan 20242400
Feb 2024900
Total295190