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Observations on febrile contagion : and on the means of improving the medical police of the city of New-York : delivered as an introductory discourse, in the hall of the College of Physicians and Surgeons, on the sixth of November, 1820 / by David Hosack. 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.)