{"title": "The care of human machinery", "subjects": ["Industrial Medicine", "Medical care", "Working class", "Occupational Medicine"], "key": "/works/OL7751928W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2418541A"}}], "type": {"key": "/type/work"}, "covers": [14875797], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T21:47:16.488454"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-25T13:09:46.526425"}}