Articles

Opinion

BMJ 1988; 297 doi: https://doi.org/10.1136/bmj.297.6656.1140 (Published 29 October 1988) Cite this as: BMJ 1988;297:1140

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: April 2009 to December 2015

Rendering graph...
AbstractFullPdf
Apr 2009001
Dec 2010002
Dec 2011002
Feb 2012001
Jan 2013001
May 2013001
Jul 2013001
Nov 2013001
Jul 2014004
Oct 2015001
Dec 2015002
Total0017