Intended for healthcare professionals



Br Med J 1931; 2 doi: (Published 21 November 1931) Cite this as: Br Med J 1931;2:949

Article usage

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Usage statistics: October 2010 to December 2020

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Oct 2010002
Nov 2010002
Mar 2011001
Dec 2011001
Feb 2012001
Jul 2014003
Nov 2015002
Oct 2017001
Dec 2020001