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Diagnostic algorithm for the investigation of autoimmune haemolytic anaemia
AA: autoantibodies; AIHA: autoimmune haemolitic anaemia; BH: biphasic haemolysins; CA: cold autoantibodies; CAD: cold agglutinin disease; DAggT: direct agglutinin test; DAT: direct antiglobulin test; DL: Donath-Landsteimer test; IAT: indirect antiglobulin test; PCH: paroxysmal cold haemoglobinuria.
