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Immunostaining for multiple growth factors in a simple idiopathic ERM is visualised with a red reaction product. (A) Cellular positivity for VEGF. (B) TGF-β1 positivity (arrows) in cell processes from the same ERM. (C) Cellular staining for TGF-β2 is also demonstrated in the same ERM. (A, C: HistoMark Red/haematoxylin; B: AEC/haematoxylin; A ×145; B, C ×360).
