Intended for healthcare professionals

Articles

Notes

British Medical Journal 1990; 301 doi: https://doi.org/10.1136/bmj.301.6762.1222 (Published 24 November 1990) Cite this as: British Medical Journal 1990;301:1222

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: December 2010 to December 2020

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AbstractFullPdf
Dec 2010002
Mar 2011001
Jul 2011001
Aug 2011002
Sep 2011003
Oct 2011002
Nov 2011001
Dec 2011001
Feb 2012001
Jun 2014001
Nov 2015002
May 2018001
Oct 2018001
Nov 2018004
Dec 2018001
Jan 2019001
Mar 2019001
Apr 2019002
Nov 2019001
Dec 2019001
Jan 2020001
Feb 2020001
Sep 2020001
Oct 2020001
Nov 2020004
Dec 2020001
Total0039