title: Prevalence of periodontal disease in children in northern region of India: Chandigarh.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D010510:Periodontal Diseases / Q000453:epidemiology*; D012737:Sex Factors