title: The prevalence of gingival recession in 30-50 year old adults.
mesh_terms: D000328:Adult; D003753:Dental Health Surveys; D005260:Female; D005882:Gingival Diseases / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D012737:Sex Factors