@article{ref1,
title="Epidemiology and costs of osteoporotic hip fractures in Portugal",
journal="Bone",
year="1993",
author="Vaz, A. L.",
volume="14",
number="Suppl 1",
pages="S9-S9",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="8756-3282",
doi="",
url="http://dx.doi.org/"
}