Intended for healthcare professionals


George Weir Johnston

BMJ 2021; 374 doi: (Published 30 July 2021) Cite this as: BMJ 2021;374:n1894

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 2021 to May 2022

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Jul 2021296274
Aug 20212303913
Sep 20215014
Oct 20212996218
Nov 202127197
Dec 202137299
Jan 2022374226
Feb 202230984
Mar 202227134
Apr 202217472
May 20227510