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September 18, 1909


Author Affiliations

Associate Member of the Rockefeller Institute for Medical Research NEW YORK

JAMA. 1909;LIII(12):934-936. doi:10.1001/jama.1909.92550120001001h

It is my essential purpose to present the results of the analysis of 2,406 blood serums by the complement fixation test, using either Wassermann's or my own method of doing the test. Herewith are given six tables, giving in detail the results of the analysis and of a comparative study of 244 cases of known syphilitic or parasyphilitic conditions in which the Wassermann method and mine are contrasted. I shall also point out briefly the main differences between the Wassermann method and my own, referring to the various other modifications in passing. For further details consult my article read before the Section on Pathology and Physiology of this Association.

It is important to bear in mind that the main difference between my system and the Wassermann system lies in my use of a known quantity of amboceptor, while in the Wassermann system we meet a difficulty in the fact that

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