Intended for healthcare professionals

Articles

Notes

British Medical Journal 1989; 298 doi: https://doi.org/10.1136/bmj.298.6670.393 (Published 11 February 1989) Cite this as: British Medical Journal 1989;298:393

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: July 2010 to May 2018

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AbstractFullPdf
Jul 2010001
Dec 2010002
Mar 2011001
Jul 2011001
Sep 2011002
Dec 2011001
Feb 2012001
Jan 2013001
Feb 2013001
Mar 2013003
Jun 2013001
Oct 2013001
Jul 2014002
Nov 2015002
May 2018001
Total0021