title: Histological changes in experimental periodontal disease in rats mono-infected with a gram-negative organism.
mesh_terms: D000539:Alveolar Process / Q000473:pathology; D000818:Animals; D001419:Bacteria / Q000302:isolation & purification; D001862:Bone Resorption; D004846:Epithelial Attachment / Q000473:pathology; D005856:Germ-Free Life; D005881:Gingiva / Q000473:pathology; D010010:Osteoclasts; D010510:Periodontal Diseases / Q000209:etiology* / Q000382:microbiology / Q000473:pathology; D010519:Periodontium / Q000473:pathology; D051381:Rats