title: Bacterial invasion of periodontal tissues.
authors.forename: M A
authors.initials: MA
authors.lastname: Listgarten
mesh_terms: D000818:Animals; D001419:Bacteria / Q000302:isolation & purification*; D005891:Gingivitis / Q000382:microbiology*; D006801:Humans; D010518:Periodontitis / Q000382:microbiology*; D010519:Periodontium / Q000382:microbiology*