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Identification of miR-223 in breast tumors by in situ hybridization (ISH). (A) Representative staining of negative miR-223 staining (staining index ≤4); (B) Representative staining of positive miR-223 staining (staining index >4) (scale bar of low-magnification = 125 μm and scale bar of high-magnification = 20 μm).
