The combination of mixed agglutination and immunofluorescence reactions for the simultaneous detection of 2 ABO-system antigens in isolated cells]

A combination of two immunologic tests, mixed agglutination and immunofluorescence, is suggested, that permits the detection of two AB0 system antigens in the same cell within one process. Such mode better validates the conclusion on the group appurtenance of cells, for instance, in analyses of mixed stains originating from different subjects with different blood groups.