{"isbn_13": ["9780721692548"], "physical_format": "Paperback", "weight": "15.8 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["W.B. Saunders Company"], "number_of_pages": 448, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12802991, "edition_name": "2nd edition", "isbn_10": ["0721692540"], "publish_date": "May 11, 2001", "key": "/b/OL9507322M", "authors": [{"key": "/a/OL532484A"}], "title": "On Call Obstetrics and Gynecology", "type": {"key": "/type/edition"}, "subjects": ["Gynaecology & obstetrics", "Gynecology And Obstetrics", "Medical / Nursing", "Medical", "Diagnosis", "Gynecology & Obstetrics", "Women's Health - General", "Genital Diseases, Female", "Gynecologic emergencies", "Obstetrical emergencies", "Pregnancy Complications"], "physical_dimensions": "7.8 x 4.8 x 0.8 inches", "revision": 1}