Br Med J 1948; 2 doi: (Published 28 August 1948) Cite this as: Br Med J 1948;2:442

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 March 2018

Rendering graph...
Jul 2010001
Nov 2010002
Sep 2011002
Feb 2012001
Jul 2014003
Dec 2015001
Mar 2018001