Additional file 1.

Gefitinib and carboplatin combinations in breast cancer-derived cell lines. Cells were treated for 72 h with constant ratios of the IC50 doses for both gefitinib and carboplatin. Combination Index (CI) values below one are synergistic, equal to one are additive, and greater than one are antagonistic.

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Hoadley et al. BMC Genomics 2007 8:258   doi:10.1186/1471-2164-8-258