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Br Med J 1957; 2 doi: https://doi.org/10.1136/bmj.2.5047.775 (Published 28 September 1957) Cite this as: Br Med J 1957;2:775

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: November 2010 to October 2020

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AbstractFullPdf
Nov 2010002
Jan 2011001
Mar 2011001
Dec 2011001
Feb 2012001
Jul 2014002
Aug 2015001
Sep 2015001
Nov 2015002
May 2018001
Oct 2020001
Total0014