{"first_sentence": {"type": "/type/text", "value": "Statistical analysis of medical studies is based on the key idea that we make observations on a sample of subjects and then draw inferences about the population of all such subjects from which the sample is drawn."}, "physical_format": "Paperback", "subtitle": "Confidence Intervals and Statistical Guidelines (Book with Diskette for Windows 95, 98, NT)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "13.4 ounces", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["Blackwell Publishing Limited"], "number_of_pages": 240, "isbn_13": ["9780727913753"], "id": 10680562, "edition_name": "2 edition", "isbn_10": ["0727913751"], "publish_date": "May 15, 2000", "key": "/b/OL7868369M", "authors": [{"key": "/a/OL1016182A"}], "title": "Statistics with Confidence", "contributions": ["Sheila Bird (Contributor)", "Michael Campbell (Contributor)", "Leslie E. Daly (Contributor)", "Julie Morris (Contributor)", "Douglas A. Altman (Editor)", "Trevor Bryant (Editor)", "Martin J. Gardner (Editor)", "Stephen Gardner (Editor)"], "subjects": ["Epidemiology & medical statistics", "Probability & statistics", "Biotechnology", "Medical", "Biostatistics", "Public Health", "Epidemiology", "Applied", "MEDICAL STATISTICS", "Medical / Biostatistics"], "physical_dimensions": "8.4 x 5.4 x 0.7 inches", "revision": 1}