Sex ratio in juvenile periodontitis: the value of epidemiological studies.
D000293:Adolescent; D000328:Adult; D010520:Aggressive Periodontitis / Q000453:epidemiology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D010510:Periodontal Diseases / Q000453:epidemiology*; D012737:Sex Factors