1. An inaugural dissertation, on the rationale of the operation of opium on the animal economy: with observations on its use in disease ; submitted to the examination of the Reverend John Ewing, S.T.P. provost ; the trustees and medical faculty of the University of Pennsylvania, on the [blank] May, 1797, for the Degree of Doctor of Medicine Author(s): Laws, John. Publication: [Wilmington, Del.] : Printed by W.C. Smyth, Delaware Gazette Office, Wilmington, 1797 Subject(s): Opium -- therapeutic use
