For healthcare professionals only


Progress of Medical Science

BMJ 1860; s4-1 doi: (Published 22 September 1860) Cite this as: BMJ 1860;s4-1:743

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: October 2011 to December 2015

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Oct 2011001
Jul 2014001
Dec 2015002