@article{ref1,
title="Risk factors for osteoporosis",
journal="Osteoporosis international",
year="1993",
author="Seeman, E. and Young, N. and Szmukler, G. and Tsalamandris, C. and Hopper, J. L.",
volume="3",
number="Suppl 1",
pages="40-43",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0937-941X",
doi="",
url="http://dx.doi.org/"
}