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Published on: August 11, 2018
A CHEMICAL STUDY OF THE SPECIFIC ELEMENTS OF TUBERCULIN : II. THE PREPARATION OF RESIDUE ANTIGEN FROM OLD TUBERCULIN
1Department of Bacteriology and Immunology, Harvard University Medical School, Boston.
The Journal of Experimental Medicine
|October 30, 2009
Abstract:
A non-protein gum has been isolated from broth filtrates of human tubercle bacilli grown on a simple medium. It fixes complement and precipitates in high dilution in the presence of homologous immune serum, but fails to give a skin test in tuberculous animals. The preparation and some of the chemical properties of the substance are described.
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