@article{ref1,
title="Osteoporosis independent study",
journal="Orthopaedic nursing",
year="1998",
author="Herzberg, M. A.",
volume="17",
number="2",
pages="63-70",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0744-6020",
doi="",
url="http://dx.doi.org/"
}