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Letters, Notes, and Answers to Correspondents
Br Med J 1895; 1 doi: https://doi.org/10.1136/bmj.1.1783.515 (Published 02 March 1895) Cite this as: Br Med J 1895;1:515![PDF extract preview](https://www.bmj.com/content/1/1783/515.extract.jpg)
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