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. 2021 Mar 31;24(1):24–31. doi: 10.3831/KPI.2021.24.1.24

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© 2021 Korean Pharmacopuncture Institute

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Cytotoxicity induced by H₂O₂ at 1 to 100 mM in confluent HeLa cells was measured by MTT assay. Untreated cells at 100% cell viability were the control. Values are mean ± standard error (n = 3). Significant differences among the concentrations are indicated by different letters (p < 0.05, Tukey-Kramer’s range test).