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Immunohistochemical staining of BRF1 in gastric cancer (GC). A and B: High transcription factor II B–related factor 1 (BRF1) expression in GC tissue. C: Positive BRF1 expression in GC para-tumor tissue. D and E: Low BRF1 expression in GC tissue. F: Negative BRF1 expression in GC para-tumor tissue. Original magnification: ×100 (A and D); ×400 (B, C, E, and F).
