Intended for healthcare professionals


Dr. John Kerr Butter

Br Med J 1920; 1 doi: (Published 15 May 1920) Cite this as: Br Med J 1920;1:690

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Usage statistics: December 2011 to November 2020

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Dec 2011001
Jan 2012002
Feb 2012300
Jul 2012003
Sep 2012001
Jul 2014001
Nov 2015002
Oct 2016001
Nov 2020002