{"created": {"type": "/type/datetime", "value": "2009-12-10T21:41:13.915003"}, "subjects": ["Dentistry", "Dental Materials"], "latest_revision": 6, "key": "/works/OL7704631W", "title": "Tin foil and its combinations for filling teeth", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL2383561A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2020-08-13T11:12:52.540130"}, "covers": [5684983], "revision": 6}