{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Therapy and Future Perspectives (Digestive Diseases, 4)", "weight": "7.2 ounces", "publishers": ["S Karger Pub"], "type": {"key": "/type/edition"}, "number_of_pages": 58, "id": 17079528, "isbn_13": ["9783805572446"], "isbn_10": ["3805572441"], "publish_date": "May 2001", "key": "/b/OL12931300M", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "title": "Current Challenges in Barret's Esophagus", "contributions": ["S. R. Achem (Editor)", "K. R. Devault (Editor)"], "subjects": ["Gastroenterology", "Medical"], "physical_dimensions": "10.8 x 8 x 0.2 inches", "revision": 1}