title: Prevalence of oral lichen planus among 7639 Indian villagers in Kerala, South India.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007194:India; D007972:Leukoplakia, Oral / Q000175:diagnosis; D008010:Lichen Planus / Q000175:diagnosis / Q000453:epidemiology*; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D009059:Mouth Diseases / Q000175:diagnosis / Q000453:epidemiology*; D010947:Plants, Toxic; D011159:Population Surveillance; D012737:Sex Factors; D012907:Smoking; D014026:Nicotiana