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Tumor specimens were immunostained (IHC) with anti-WISP-1 and anti-VEGF-A antibodies. The staining intensity was scored 1–5. (A) IHC photographs. (E = epithelial, T = tumor, S = stroma). (B–D) Quantitative results and correlation between WISP-1, VEGF-A, and OSCC clinical grade.
