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Internalization kinetics (0.5 to 4 h) of wild-type and non-encapsulated mutant strains by DCs. Data represent the mean ± SEM from four independent experiments. * (p < 0.05) and ** (p < 0.01) indicate a significant difference between P1/7 and P1/7ΔcpsF or P1/7ΔneuC.
