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A complement fixing antigen in the livers of birds infected with an avian leukovirus (erythroblastosis virus). |
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| Authors: | C Q Darcel |
| Abstract: | Extracts of erythroblastosis affected livers from which much of the structural protein had been removed were prepared by acid denaturation. These extracts contained complement fixing "soluble" antigen in a form which was not associated with viral or subviral particles. Ultracentrifugation can be of assistance in separating complement fixation activity from contaminating material in these extracts. |
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