@article{ref1,
title="Prevention of fractures in the elderly",
journal="Tidsskrift for den Norske Laegeforening",
year="1997",
author="Ytterstad, B.",
volume="117",
number="12",
pages="1810-1810",
abstract="<p>[Abstract unavailable]</p><p>Language: no</p>",
language="no",
issn="0029-2001",
doi="",
url="http://dx.doi.org/"
}