def get_urns_from_docx(document):
    """Find all URNs specified in a Word document - typically .docx"""
    import sys
    import zipfile
    import re
    from bs4 import BeautifulSoup
    with zipfile.ZipFile(document, 'r') as zfp:
        with zfp.open('word/document.xml') as fp:
            soup = BeautifulSoup(fp.read(), 'xml')
    return re.findall('[0-9]{13}', str(soup))
