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Credit
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 / by John Laws, M.B. of Dover, state of Delaware. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)