@article{ref1,
title="Patient falls: an outcome indicator",
journal="Journal of nursing care quality",
year="1991",
author="Ruckstuhl, M. C. and Marchionda, E. E. and Salmons, J. and Larrabee, J. H.",
volume="6",
number="1",
pages="25-29",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1057-3631",
doi="",
url="http://dx.doi.org/"
}