Intended for healthcare professionals


At least one centimetre for each millimetre

Br Med J (Clin Res Ed) 1984; 289 doi: (Published 20 October 1984) Cite this as: Br Med J (Clin Res Ed) 1984;289:1070

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Usage statistics: December 2010 to May 2018

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Dec 2010002
Jul 2011002
Dec 2011001
Feb 2012001
Jun 2013004
Jul 2013001
Jul 2014002
Dec 2015001
Mar 2018001
May 2018001