title: Re: Clinical and Laboratory Profiles of Periodontitis (J Periodontol 1989;60:557-563)
authors.forename: P N
authors.initials: PN
authors.lastname: Baer
mesh_terms: D010520:Aggressive Periodontitis / Q000145:classification*; D006801:Humans; D010510:Periodontal Diseases / Q000145:classification*; D010518:Periodontitis / Q000145:classification*; D009626:Terminology as Topic