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Credit
Lecture on the preservation of health, and how to avoid the diphtheria and all diseases of the throat and lungs : also nine-tenths of the fevers of our country without the use of medicine / by Reuben Hill. 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.)