An inaugural dissertation on the theory and practice of emetics : submitted to the examination of the Rev. John Ewing, S.T.P., provost, the trustees and medical professors of the University of Pennsylvania, for a degree of Doctor of Medicine, on the 8th day of May, 1793. / - Wilkins, Henry (Printed by Parry Hall, no. 149, Chesnut Street, between Fourth and Fifth streets, 1793)