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From the Department of Bacteriology and Immunology, School of Medicine, University of Pittsburgh, and the Laboratories of the Children's Hospital, Pittsburgh, Pa.
Abstract
A commercial pancreatin contained a polysaccharide with blood group A activity which was similar in composition to other serologically active tissue polysaccharides. A second commercial pancreatin yielded a serologically inactive polysaccharide that appeared to be degraded chemically.
Footnotes
1 Supported in part by a research grant from the National Institutes of Health, Public Health Service.
2 Presented in part at the Annual Meeting of the American Association of Immunologists, 1951 (1).
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