@article{ref1,
title="Sex hormones and osteoporosis in men",
journal="Calcified tissue international",
year="1998",
author="Anderson, F. H. and Francis, R. M. and Selby, P. L. and Cooper, Colin",
volume="62",
number="3",
pages="185-188",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0171-967X",
doi="",
url="http://dx.doi.org/"
}