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Division of Biologics Standards, National Institutes of Health, U.S. Department of Health, Education and Welfare, Public Health Service, Bethesda, Maryland
Abstract
The degree of reactivity of old tuberculin in sensitive guinea pigs is quantitatively and markedly reduced if a large quantity is injected simultaneously into another site. Suppression is temporary in that most animals recover normal reactivity within 2 months.
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A. R. Ahmed and D. A. Blose Delayed-Type Hypersensitivity Skin Testing: A Review Arch Dermatol, November 1, 1983; 119(11): 934 - 945. [Abstract] [PDF] |
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