{"title": "Valuation of health states using the time trade-off approach", "created": {"type": "/type/datetime", "value": "2009-12-10T19:07:07.757439"}, "last_modified": {"type": "/type/datetime", "value": "2009-12-10T19:07:07.757439"}, "latest_revision": 1, "key": "/works/OL6411613W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL1692364A"}}], "type": {"key": "/type/work"}, "revision": 1}