{"first_sentence": {"type": "/type/text", "value": "The dramatic increase in life expectancy that has occurred during the past century in developed countries has markedly altered their population composition."}, "physical_format": "Hardcover", "weight": "3.7 pounds", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["Informa Healthcare"], "number_of_pages": 888, "isbn_13": ["9780824747695"], "id": 11009947, "edition_name": "3 edition", "isbn_10": ["0824747690"], "publish_date": "February 23, 2004", "key": "/b/OL8125667M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Cardiovascular Disease in the Elderly, Third Edition (Fundamental and Clinical Cardiology, 48)", "contributions": ["Wilbert S. Aronow (Editor)", "Jerome L. Fleg (Editor)"], "subjects": ["Geriatric medicine", "Medical", "Geriatric cardiology", "Medical / Nursing", "physiopathology", "Cardiology", "Gerontology", "Medical / Cardiology", "Cardiovascular Diseases", "Internal Medicine", "in old age"], "physical_dimensions": "10.2 x 7.1 x 1.6 inches", "revision": 1}