@article{ref1,
title="Age 60 rule for retirement of airline pilots",
journal="Journal of the American Geriatrics Society",
year="1994",
author="Stuck, A. E. and Beck, J. C.",
volume="42",
number="6",
pages="688-688",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8614",
doi="",
url="http://dx.doi.org/"
}