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Br Med J 1895; 2 doi: https://doi.org/10.1136/bmj.2.1802.82 (Published 13 July 1895) Cite this as: Br Med J 1895;2:82This is a PDF-only article. The first page of the PDF of this article appears above.
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This is a PDF-only article. The first page of the PDF of this article appears above.