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Credit
Address delivered by Joseph Walsh, M.D., member of the Pharmaceutical Association, D.C., and of the National Pharmaceutical Association, U.S : before the regular meeting of the Pharmaceutical Association, D.C., on the first July, 1857. Public Domain Mark. Source: Wellcome Collection.
Provider
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.)