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Infection and Immunity|May 1, 1973
Comparison of strains of BCG. I. Antigenic analysis and tuberculin reactivityS D Chaparas, S R HedrickScience (New York, N.Y.)|November 6, 1970
Tuberculin-active carbohydrate that induces inhibition of macrophage migration but not lymphocyte transformationS D Chaparas, D E Thor, H P Godfrey, et al.Pageof 1