An inaugural dissertation on the influenza : submitted to the examination of the Rev. John Ewing, S.T.P. provost ; the trustees and medical professors of the University of Pennsylvania, in order to obtain the degree of Doctor of Medicine, on the eighth day of May A.D. 1793 / by Robert Johnston, of Philadelphia, member of the American Medical Society.
Johnston, Robert, 1750-1808. | Date: MDCCXCIII [1793]
