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Relative fold of expression of IL-17A, IFN-γ, IL-13, and IL-13:IFN-γ ratio in the conjunctiva (A) and IL-17A, MMP-3, and MMP-9 in the corneal epithelium, using the NS of each strain as the strain calibrator. Bar graphs show mean ± sd of three independent experiments (final n=9/group/time-point). *P < 0.05; **P < 0.01; ***P < 0.001.
