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  Indian J Med Microbiol
 

Figure 3 (a) Photomicrograph showing collagen fibers in oral submucous fibrosis transformed into oral squamous cell carcinoma (OSCC) (hematoxylin and eosin, 40×). (b) Photomicrograph showing orientation of collagen fibers (blue color) in oral submucous fibrosis transformed into OSCC (modified Cajal trichrome stain, 40×).

Figure 3 (a) Photomicrograph showing collagen fibers in oral submucous fibrosis transformed into oral squamous cell carcinoma (OSCC) (hematoxylin and eosin, 40×). (b) Photomicrograph showing orientation of collagen fibers (blue color) in oral submucous fibrosis transformed into OSCC (modified Cajal trichrome stain, 40×).