{"title": "Clinical periodontology: the periodontium in health and disease", "subjects": ["Periodontia", "Periodontics", "Periodontium"], "key": "/works/OL4778865W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1004039A"}}], "type": {"key": "/type/work"}, "covers": [14931651], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T07:30:26.984473"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-29T01:32:21.233142"}}