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Correlation between ER, PR, Her-2, Ki-67, TopoII, GST-π and P-gp expression and clinicopathological parameters in breast cancer
For Ki-67, ≤25%, as a low expression; >25%, as a high expression. For ER, PR, Her-2, TopoII, GST-π and P-gp, −/+, as a low expression; >+, as a high expression.
