Intended for healthcare professionals



Br Med J (Clin Res Ed) 1986; 293 doi: (Published 16 August 1986) Cite this as: Br Med J (Clin Res Ed) 1986;293:449

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 January 2019

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Dec 2010002
Aug 2011001
Sep 2011002
Dec 2011001
Feb 2012001
Jan 2013004
Jun 2013004
Aug 2013001
Nov 2013005
Jul 2014001
Dec 2015002
Mar 2018001
Jan 2019001