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Cytokine production by antigen-stimulated PBMC from WC1+ γδ T-cell-depleted and -nondepleted calves during experimental M. bovis infection. Results for IL-2 and IL-4 are expressed as mean net counts per minute ± standard errors of the means (error bars). Results for IFN-γ are expressed as net OD ± standard errors of the means (error bars). (a) IL-2; (b) IFN-γ; (c) IL-4.
