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Letters

Contract minimum dataset includes confidential data

BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7024.185 (Published 20 January 1996) Cite this as: BMJ 1996;312:185

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: July 2003 to April 2021

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Apr 2005010
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Jul 2005230
Aug 2005880
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Dec 2005120
Jan 2006140
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Sep 2007270
Oct 2007250
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Jun 2009100
Jul 2009100
Aug 2009310
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Mar 2010250
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Total6335970