Additional file 4.

Expression levels of BRCA1 and AREG for all cases. Expression level is depicted compared to the mean of all samples, with green indicating lower than mean expression level and red indicating higher than mean expression level. Black indicates expression at the mean for the entire group. Gray indicates missing data.

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Pradhan et al. BMC Cancer 2010 10:493   doi:10.1186/1471-2407-10-493