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A letter to the real and genuine Pierce [sic] Dod, M.D. plainly exposing the low absurdity, or malice, of a late spurious pamphlet, falsely ascrib'd to that learned physician. With a full answer to the mistaken case of a natural small-pox, after taking it by inoculation / ... By Dod Pierce, M.S. [i.e. J. Kirkpatrick, etc. pseud.]. Public Domain Mark. Source: Wellcome Collection.