Donath-Landsteiner antibodies from six patients were studied serologically and physicochemically. All had similar serologic properties including a requirement for complement in the cold phase. Five of the antibodies were associated with the 7S γ2-globulins, while the sixth was associated with 7S γ-globulins of slightly faster electrophoretic mobility and slightly different chromatographic behavior.
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Carl F. Hinz (1963) studied this question.
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