An inaugural dissertation on the chymical analysis and operation of vegetable astringents, with observations on the identity of the vegetable acids : sumbitted to the examination of the Rev. John Ewing, S.T.P. provost ; the trustees and medical professors of the University of Pennsylvania, for the decree of Doctor of Medicine / by John Willis, honorary member of the Philadelphia Medical Society.
Willis, John, active 1795. | Date: 1795
