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Article
May 7, 1927

THE SIGNIFICANCE OF THE KAHN TEST

Author Affiliations

Major, Medical Corps, U. S. Army WASHINGTON, D. C.

JAMA. 1927;88(19):1469-1472. doi:10.1001/jama.1927.02680450013006
Abstract

The Kahn precipitation test has the obvious advantages of rapidity and economy. In my opinion, based on an experience extending over fifteen months, it is also characterized by technical stability and dependability to a degree not possessed by the Wassermann test. These technical considerations will most probably lead to the adoption of the Kahn test and the discontinuance of the Wassermann by an increasing number of laboratories, as has already been done by the U. S. Navy and the Michigan State Department of Health.

If this view is correct, there remains to be worked out more thoroughly the question of the significance of the Kahn test as an aid in the diagnosis of syphilis.

The ultimate solution cannot be expected by noting the degree of correspondence between any one Wassermann technic and the Kahn test, although this, unfortunately, is partly the method of this paper. Such data merely show that

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