{"first_sentence": {"type": "/type/text", "value": "Over the years there have been many definitions of epidemiology."}, "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "1.4 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["CRC"], "number_of_pages": 280, "isbn_13": ["9780849315664"], "id": 11181719, "edition_name": "3 edition", "isbn_10": ["0849315662"], "publish_date": "September 7, 2005", "key": "/b/OL8259177M", "authors": [{"key": "/a/OL2753647A"}], "title": "Veterinary Clinical Epidemiology, Third Edition", "type": {"key": "/type/edition"}, "subjects": ["Veterinary Science", "veterinary", "Medical / Nursing", "Medical", "Epidemiology", "Veterinary Medicine - General", "Medical / Veterinary Medicine / General", "Epidemiologic Methods", "Veterinary clinical epidemiology"], "physical_dimensions": "10.1 x 7 x 0.8 inches", "revision": 1}