@article{ref1,
title="Osteoporosis and risk of fracture",
journal="Tidsskrift for den Norske Laegeforening",
year="2005",
author="Hoiseth, Arne",
volume="125",
number="12",
pages="1701-1702",
abstract="Abstract unavailable.",
language="",
issn="0029-2001",
doi="",
url="http://dx.doi.org/"
}