title: A two-year longitudinal study of early periodontitis in 14- to 16-year-old schoolchildren.
authors.forename: V
authors.initials: V
authors.lastname: Clerehugh
authors.forename: M A
authors.initials: MA
authors.lastname: Lennon
mesh_terms: D000293:Adolescent; D003741:Dental Deposits / Q000453:epidemiology; D004739:England; D004846:Epithelial Attachment / Q000473:pathology; D005060:Europe / Q000208:ethnology; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D010512:Periodontal Index; D010518:Periodontitis / Q000453:epidemiology* / Q000473:pathology