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Reactions products of P75NGFR (brown), ALDH1 (purple) and Ki-67 (gray) in normal human oral mucosa (A), and P75NGFR (purple), ALDH1 (gray) and BMI1 (brown) in human testis (E) and cervical lymph node (I). Respective markup images for gray (B,F,J), purple (C,G,K) and brown (D,H,L) as obtained from Aperio Color Deconvolution Algorithm. All positive structures are displayed in red.
