title: Periodontosis case report: 20-year follow-up with laboratory findings.
authors.forename: P N
authors.initials: PN
authors.lastname: Baer
authors.forename: A D
authors.initials: AD
authors.lastname: Haffajee
authors.forename: S S
authors.initials: SS
authors.lastname: Socransky
mesh_terms: D000293:Adolescent; D000328:Adult; D010520:Aggressive Periodontitis / Q000517:prevention & control*; D005500:Follow-Up Studies; D006801:Humans; D010510:Periodontal Diseases / Q000517:prevention & control*