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Cells DAT CC Pretransfusion 0 2+ Post-transfusion 2+MFA   DAT = direct antiglobulin test with polyspecific antiglobulin serum CC = IgG sensitized rbc MFA = mixed field agglutination	5. What is MFA and what does it suggest?
	6. In this case, which rbc do you think are agglutinating in the DAT and why?
	Post-transfusion microscopic DAT	Post-transfusion
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