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Pathology staining of biopsy specimens. (A) Hematoxylin and eosin stain, renal biopsy. (B) CAIX stain, renal biopsy. (C) KPAX8 stain, renal biopsy. (D) Hematoxylin and eosin stain, liver biopsy. Magnification = ×10 in A and D; ×4 in B and C.
