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Observations on the laws governing the communication of contagious diseases : and the means of arresting their progress. Read before the Literary and Philosophical Society of New-York, on the 9th of June, 1814. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)