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Figures show mRNA expression of the retinas of unilluminated albino guinea pigs and albino guinea pigs exposed to full-spectrum LEDs (FL) and commercial cold-white LEDs (CL) for 28 days tested via RT-qPCR. (A) S-opsin, (B) GRP78/Bip, (C) ATF4, (D) CHOP. The values shown are mean ± SD analyzed with one-way ANOVA (n > 3). *P < 0.05, **P < 0.01, ***P < 0.001, and ****P < 0.0001 versus the NC group.
