An edition of A dissertation on the sources of malignant bilious, or yellow fever, and means of preventing it (1799)

A dissertation on the sources of malignant bilious, or yellow fever, and means of preventing it

submitted to the examination of the Rev. John Ewing, S.T.P. provost; the trustees & medical faculty, of the University of Pennsylvania, on the sixth day of June, 1799, for the degree of Doctor of Medicine.

By William G. Chalwill