Intended for healthcare professionals



British Medical Journal 1992; 304 doi: (Published 29 February 1992) Cite this as: British Medical Journal 1992;304:574

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: May 2018 to February 2023

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May 2018002
Sep 2018001
Oct 2020001
Dec 2020001
Aug 2021001
Oct 2022001
Feb 2023001