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Immunohistochemical characterisation of myofibroblasts in pterygium fibrovascular tissues. Eosinophilic bundles of dense connective tissue are found in the stroma of fibrovascular tissue (A). Higher magnification showed that cells present in these bundles (B) are positive to staining to α-SMA (C) and vimentin (D), while cells in the rest of the connective tissue are only positive to vimentin (D). The bar represents 50 μM.
