Figure 3.

IFN-γ secretion by PBMC from PPD- (A), PPD+ (B) and BCG-vaccinated (C) healthy donors and from patients with active TB (D) in the presence of p1L, p18L, PPD and ESAT-6, as determined by ELISpot. Results are expressed as in Fig. 1A.

Cuccu et al. BMC Microbiology 2011 11:167   doi:10.1186/1471-2180-11-167
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