General Articles And News
Vital Statistics
Br Med J 1957; 2 doi: https://doi.org/10.1136/bmj.2.5045.650 (Published 14 September 1957) Cite this as: Br Med J 1957;2:650
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.