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Cell viability analysis by MTS assay at different time points (3 h, 24 h, 48 h, and 72 h) after treatment with 5 Gy gamma radiation and 0.5 μg/ml cisplatin (CDDP). After co-treatment with radiation and CDDP, cell viability was significantly reduced at 72 h. The data shown are the most representative of 3 separate experiments.
