@article{ref1,
title="Review: Exercise/physical therapy and vitamin D each reduce risk for falls in older community-dwelling adults",
journal="Annals of internal medicine",
year="2011",
author="",
volume="154",
number="8",
pages="JC45-JC45",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-4819",
doi="10.1059/0003-4819-154-8-201104190-02005",
url="http://dx.doi.org/10.1059/0003-4819-154-8-201104190-02005"
}