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</html><description>The entering of a complement into combination with an antigen/antibody aggregate so that it is fixed and not available for subsequent reaction is the basis of the Wassermann, Reiter protein, and other serologic tests.Test to measure the amount of complement in antibodies and antigens.Tests to indicate an infectious state (bacterial, viral, fungal or helminthic) by identifying in the patient&#x2019;s serum specific antibody to the suspected antigen.&#xA0;</description></oembed>
