@article{ref1,
title="Unit based fall prevention",
journal="Journal of quality assurance",
year="1988",
author="Hendrick, A. L.",
volume="10",
number="1",
pages="15-17",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1062-0273",
doi="",
url="http://dx.doi.org/"
}