{"title": "Medicare: its effects in South Dakota", "subjects": ["Medical care", "Health insurance", "Older people", "Medicare"], "key": "/works/OL693272W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL54527A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-09T01:36:19.499782"}, "last_modified": {"type": "/type/datetime", "value": "2025-05-19T22:05:06.879797"}}