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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
(also group agglutination), the agglutination and precipitation by a patient’s serum of one microbe that lives in symbiosis with another microbe, the latter being an actual causative agent of the given disease.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.