Subepithelial changes in oral submucous fibrosis.
D000328:Adult; D000368:Aged; D001706:Biopsy; D003095:Collagen Diseases / Q000473:pathology*; D006801:Humans; D008875:Middle Aged; D009059:Mouth Diseases / Q000473:pathology*; D009061:Mouth Mucosa / Q000473:pathology*