@article{ref1,
title="Increased effort needed to prevent falls as the U.S. population ages",
journal="JAMA journal of the American Medical Association",
year="2014",
author="",
volume="312",
number="1",
pages="21-21",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0098-7484",
doi="10.1001/jama.2014.7057",
url="http://dx.doi.org/10.1001/jama.2014.7057"
}