title: [Bacterial invasions of the periodontium].
authors.forename: H
authors.initials: H
authors.lastname: Xie
mesh_terms: D000328:Adult; D000368:Aged; D001419:Bacteria / Q000472:pathogenicity; D003238:Connective Tissue / Q000382:microbiology; D004846:Epithelial Attachment / Q000382:microbiology* / Q000648:ultrastructure; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010514:Periodontal Pocket / Q000382:microbiology*; D010518:Periodontitis / Q000382:microbiology*; D010519:Periodontium / Q000382:microbiology*