Cytotoxic Constituents of the Bark of Hypericum roeperianum towards Multidrug-Resistant Cancer Cells
Effects of the crude extract (HRB), trichadonic acid, and hydrogen peroxide (H2O2) on the production of reactive oxygen species (ROS) in CCRF-CEM cells treated for 24 h. Mean ± SD of three independent experiments is shown. Data with different superscript letters are significantly different ().
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