Errata
Erratum
Br Med J 1898; 1 doi: https://doi.org/10.1136/bmj.1.1950.1273-a (Published 14 May 1898) Cite this as: Br Med J 1898;1:1273
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.