{"first_sentence": {"type": "/type/text", "value": "The attributes of a sonographer are increasingly being defined, as befits a growing profession."}, "physical_format": "Paperback", "subtitle": "A Practical Guide", "last_modified": {"type": "/type/datetime", "value": "2008-08-24 10:17:26.053376"}, "weight": "3.4 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Lippincott Williams & Wilkins"], "number_of_pages": 750, "isbn_13": ["9780781748698"], "id": 10970430, "edition_name": "4 edition", "isbn_10": ["0781748690"], "publish_date": "October 1, 2006", "key": "/b/OL8094965M", "authors": [{"key": "/a/OL769120A"}, {"key": "/a/OL2862875A"}], "title": "Clinical Sonography", "type": {"key": "/type/edition"}, "subjects": ["Ultrasonics", "Technology", "Imaging Systems", "Medical / Nursing", "Science/Mathematics", "Ultrasonography", "Allied Health Services - Radiologic & Ultrasound Technology", "Medical / Allied Health Services / Radiological & Ultrasound Technology", "Diagnosis, Ultrasonic", "Radiology", "methods"], "physical_dimensions": "10.8 x 8.3 x 1.1 inches", "revision": 2}