1. An inaugural dissertation on opium: submitted to the examination of John Ewing, S.T.P. provost ; and to the trustees and medical professors of the University of Pennsylvania ; for the degree of Doctor of Medicine : on the second day of May, A.D. 1792 Author(s): Seaman, Valentine, 1770-1817 Publication: Philadelphia : Printed by Johnston and Justice, at Franklin's Head, no. 41, Chesnut-Street, MDCCXCII [1792] Subject(s): Opium
