Correction
Correction
Br Med J 1965; 1 doi: https://doi.org/10.1136/bmj.1.5451.1658 (Published 26 June 1965) Cite this as: Br Med J 1965;1:1658
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.