@article{ref1,
title="My husband and I are both retired and have recently had a few close calls while driving. When is it time to give up the keys?",
journal="Mayo clinic health letter",
year="2002",
author="",
volume="20",
number="5",
pages="8-8",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0741-6245",
doi="",
url="http://dx.doi.org/"
}