Correction
Correction
Br Med J 1951; 2 doi: https://doi.org/10.1136/bmj.2.4737.986 (Published 20 October 1951) Cite this as: Br Med J 1951;2:986
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.