Additional file 4.

Figure S1. Flow cytometry analysis of EpCAM expression in the parental line p86 and the OTBCs86-L1 and L2 in self-renewal and differentiation conditions. The forward Scatter (FCS) channel was plotted in the y-axis and EpCAM fluorescence was plotted in the x-axis. Experiments were repeated at least three times with similar results.

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Beltran et al. Breast Cancer Research 2011 13:R94   doi:10.1186/bcr3019