RT Journal A1 COX GW T1 PRogress in serum therapy. JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1899 FD September 9 VO XXXIII IS 11 SP 634 OP 638 DO 10.1001/jama.1899.92450630010001e UL http://dx.doi.org/10.1001/jama.1899.92450630010001e AB The gradual unrolling of the scroll which displays the evolution of serum therapy brings into view one of the most pleasing pictures to be found in the gallery of medical art. It presents to us the image of a system whose present status was attained with a suddenness bordering on abruptness; and whose steady growth gives promise of eventually placing it in line with established sciences. My definition or conception of serum therapy must not be construed to limit the practice to the administration of antitoxins; but to embrace the treatment of disease with all such substances as are the natural outgrowth of applied bacteriology, which in turn is the result of the germ theory. Strictly and technically speaking some of these would necessarily be excluded from consideration under this head, because they are not serums, as that term is popularly understood and applied. However, the principle involved is essentially