{"isbn_13": ["9780471390091"], "subtitle": "Molecular and Clinical Perspectives", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "languages": [{"key": "/l/eng"}], "publishers": ["Wiley-Liss"], "number_of_pages": 704, "first_sentence": {"type": "/type/text", "value": "Progressive multifocal leukoencephalopathy (PML) was discovered and described in 1958 at the end of an era, approximately 100 years long, during which modern medicine, including neurology, acquired its form and content."}, "isbn_10": ["0471390097"], "publish_date": "January 15, 2002", "key": "/b/OL7616353M", "authors": [{"key": "/a/OL2738683A"}, {"key": "/a/OL2738684A"}], "title": "Human Polyomaviruses", "type": {"key": "/type/edition"}, "id": 10367262, "revision": 1}