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Cytotoxicity of GH and 5-FU against HT-29 cells after 72 h of treatment. The CD50 of GH was 36.2 mg/ml (a) and the CD50 of 5-FU was 15.5 μg/ml (b). Each point represents the mean of the results of three independent experiments. Error bars represent means ± S.E.M. of the three independent experiments.∗Statistical significance (P<0.05) between control cells and treatment groups.
