{"isbn_13": ["9780121531591"], "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "languages": [{"key": "/l/eng"}], "publishers": ["Academic Press"], "number_of_pages": 210, "first_sentence": {"type": "/type/text", "value": "In most animal species, the germ cells segregate from the soma early in embryonic development."}, "isbn_10": ["0121531597"], "publish_date": "February 27, 2004", "key": "/b/OL7325973M", "authors": [{"key": "/a/OL2646822A"}], "title": "Current Topics in Developmental Biology, Volume 59 (Current Topics in Developmental Biology)", "type": {"key": "/type/edition"}, "id": 9984032, "revision": 1}