title: Oral submucous fibrosis in South African Indians: an epidemiological study.
mesh_terms: D000293:Adolescent; D000328:Adult; D004032:Diet; D005260:Female; D006184:Habits; D006801:Humans; D006965:Hyperplasia / Q000453:epidemiology; D008875:Middle Aged; D009059:Mouth Diseases / Q000150:complications / Q000453:epidemiology* / Q000209:etiology; D009062:Mouth Neoplasms / Q000453:epidemiology / Q000209:etiology; D011230:Precancerous Conditions / Q000453:epidemiology; D012068:Religion and Medicine; D013019:South Africa