Figure 6From: Retrospective study and immunohistochemical analysis of canine mammary sarcomasProliferation activity based on the mean values of the Ki67 index and its correlation with malignancy grade. Data was processed by ANOVA + Tukey HSD post-hoc tests (Graph Pad Prism 5.0). P-values <0.05 (*) were regarded as significant and marked with an asterisk (*).Back to article page