Correction
Correction
Br Med J 1955; 1 doi: https://doi.org/10.1136/bmj.1.4927.1438 (Published 11 June 1955) Cite this as: Br Med J 1955;1:1438
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.