{"first_sentence": {"type": "/type/text", "value": "Looking after pregnant women presents one of the paradoxes of modern medicine."}, "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-09-07 06:50:30.386963"}, "weight": "14.4 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Bmj Publishing Group"], "number_of_pages": 91, "isbn_13": ["9780727911032"], "id": 14081016, "edition_name": "3 edition", "isbn_10": ["0727911031"], "publish_date": "August 1997", "key": "/b/OL10592956M", "authors": [{"key": "/a/OL232179A"}], "title": "ABC of Antenatal Care (ABC)", "type": {"key": "/type/edition"}, "subjects": ["Gynaecology & obstetrics", "Pediatrics", "Medical / Nursing", "Health/Fitness"], "physical_dimensions": "11.8 x 8.5 x 0.2 inches", "revision": 3}