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  Indian J Med Microbiol
 

Figure 1: a. Early oral submucous fibrosis showing weak cytoplasmic immunopositivity of HIF-1α. b. Intermediate oral submucous fibrosis showing nuclear and cytoplasmic immunopositivity of HIF-1α. c. Advanced oral submucous fibrosis showing intense nuclear immunopositivity of HIF-1α d. Oral squamous cell carcinoma showing intense immunopositivity of HIF-1α (40x magnification)

Figure 1: a. Early oral submucous fibrosis showing weak cytoplasmic immunopositivity of HIF-1α. b. Intermediate oral submucous fibrosis showing nuclear and cytoplasmic immunopositivity of HIF-1α. c. Advanced oral submucous fibrosis showing intense nuclear immunopositivity of HIF-1α d. Oral squamous cell carcinoma showing intense immunopositivity of HIF-1α (40x magnification)