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A British polystyrene latex-bovine gamma globulin fixation test which can be used for serum titrations is described. It is technically easier to perform than the latex fixation test of Singer and Plotz (1956) and appears to be equally sensitive. There was agreement with a sensitized sheep cell agglutination test in 264 of 300 cases (88%).
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R. B. Payne (1961) studied this question.
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