{"subject_places": ["China"], "subjects": ["Public health", "Sanitary affairs", "Sanitation"], "key": "/works/OL4854517W", "title": "China's health problems", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1030956A"}}], "type": {"key": "/type/work"}, "covers": [14878814], "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2009-12-10T07:46:38.652572"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-25T15:01:53.891330"}}