Addresses And Papers
The Kahn Test: A Simplified Technique
Br Med J 1940; 1 doi: https://doi.org/10.1136/bmj.1.4128.252 (Published 17 February 1940) Cite this as: Br Med J 1940;1:252
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.