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An immunoradiometric assay, based on the precipitation of antigen-antibody complexes by polyethylene glycol (PEG) and on the subsequent binding of PEG-soluble radiolabelled staphylococcal protein A(More)
We describe a sensitive radioassay for detecting erythrocyte-associated immunoglobulin employing the immunoglobulin-specific reagent Staphylococcus aureus protein A. The assay was used to determine(More)
The humoral antibody response to Cryptosporidium was investigated in mice genetically selected for high (H) and low (L) antibody responsiveness. Groups of 4-5 mice from two different selections,(More)
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