Correction
Correction
Br Med J 1959; 2 doi: https://doi.org/10.1136/bmj.2.5163.S202 (Published 19 December 1959) Cite this as: Br Med J 1959;2:S202
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.