{"languages": [{"key": "/l/eng"}], "subtitle": "Proceedings of a symposium organized on the occasion of the 40th anniversary of the Dutch Society of Cardiology, Amsterdam, 6 April, 1974", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["American Elsevier"], "number_of_pages": 84, "isbn_13": ["9780444151377"], "isbn_10": ["0444151370"], "publish_date": "1975", "key": "/b/OL7529812M", "title": "Coronary artery surgery", "type": {"key": "/type/edition"}, "id": 10248673, "revision": 1}