Correspondence
Greetings from Mexico
Br Med J 1941; 1 doi: https://doi.org/10.1136/bmj.1.4182.340-a (Published 01 March 1941) Cite this as: Br Med J 1941;1:340
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.