General Articles And News
Vital Statistics
Br Med J 1957; 2 doi: https://doi.org/10.1136/bmj.2.5060.1556 (Published 28 December 1957) Cite this as: Br Med J 1957;2:1556
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.