Additional file 2.

Figure S2. Establishment of the criteria for interpretation of IHC results. To analyze the differences in the intensity in immunoreactivity of the five proteins, we defined four categories based on signal intensity: a) negative, b) low, c) moderate and d) strong.

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Mendoza-Catal├ín et al. BMC Cancer 2012 12:116   doi:10.1186/1471-2407-12-116