An inquiry into the causes and nature of the yellow fever : submitted to the examination of the Rev. John Ewing, S.T.P. provost, the trustees and medical professors of the University of Pennsylvania, on the sixth day of June, 1799, for the degree of Doctor of Medicine / by Washington Watts of Virginia, member of the Philadelphia Medical and Chemical Societies.

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An inquiry into the causes and nature of the yellow fever : submitted to the examination of the Rev. John Ewing, S.T.P. provost, the trustees and medical professors of the University of Pennsylvania, on the sixth day of June, 1799, for the degree of Doctor of Medicine / by Washington Watts of Virginia, member of the Philadelphia Medical and Chemical Societies. 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.)