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

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