Abstract
Summary
The data presented in this paper confirm and extend the recent observations of Fisher and Keogh(2). Erythrocytes from sheep, rabbit, and man, which have adsorbed extracts from E. coli and Salmonella typhosa, or human plasma, are lysed in the presence of complement and of corresponding immune sera for the adsorbed antigens. Evidence for the specificity of the reaction has been presented. Neither appreciable complement fixation, nor lysis occurred when erythrocytes first sensitized with non-hemolytic immune sera were then exposed to complement and the corresponding antigens.
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