@article{ref1,
title="Prevention of falls in the elderly",
journal="New England journal of medicine",
year="1989",
author="Ross, R. T.",
volume="321",
number="23",
pages="1614-1615",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}