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  Indian J Med Microbiol
 

Figure 5: Immunohistochemistry. (a) Smooth muscle actin (SMA) in immature stroma showing diffuse, dense localization of myofibroblasts in the reactive fibrous zone. (×40), (b) Smooth muscle actin in the mature stroma showing very scant smooth muscle actin positive myofibroblasts in the reactive fibrous tissue (×40)

Figure 5: Immunohistochemistry. (a) Smooth muscle actin (SMA) in immature stroma showing diffuse, dense localization of myofibroblasts in the reactive fibrous zone. (×40), (b) Smooth muscle actin in the mature stroma showing very scant smooth muscle actin positive myofibroblasts in the reactive fibrous tissue (×40)