Oral submucous fibrosis.
D000293:Adolescent; D000328:Adult; D000351:Africa, Eastern; D000368:Aged; D002648:Child; D002681:China; D002908:Chronic Disease; D003212:Condiments; D005260:Female; D005512:Food Hypersensitivity; D006801:Humans; D007194:India; D007509:Irritants; D008297:Male; D008875:Middle Aged; D009059:Mouth Diseases / Q000453:epidemiology* / Q000209:etiology / Q000473:pathology*; D009061:Mouth Mucosa / Q000473:pathology*
D007509:Irritants