{"isbn_13": ["9789024724918"], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "languages": [{"key": "/l/eng"}], "publishers": ["Springer"], "number_of_pages": 496, "id": 12300728, "edition_name": "1 edition", "isbn_10": ["9024724910"], "publish_date": "December 31, 1899", "key": "/b/OL9087667M", "authors": [{"key": "/a/OL3192288A"}], "title": "Echocardiology (Developments in Cardiovascular Medicine)", "type": {"key": "/type/edition"}, "subjects": ["Cardiovascular medicine", "Ultrasonics", "Cardiovascular Diseases", "Medical", "Medical / Nursing", "Cardiology", "Medical / Cardiology", "Congresses", "Echocardiography"], "revision": 1}