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Recognition of mycobacterial proteins. PBMC isolated from one SICTT-positive field reactor (M. bovis), three BCG-vaccinated cattle (BCG), and one animal with PPD-A-biased responses (PPD-A biased) were incubated with recombinant mycobacterial proteins and avian and mammalian tuberculin at 10 μg/ml for 6 days. Results are expressed as means ± standard errors.
