@article{ref1,
title="Angina pectoris: can I control it and continue flying?",
journal="Aviation, space, and environmental medicine",
year="2007",
author="Smith, Deborah",
volume="78",
number="2",
pages="158, 163-158, 163",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0095-6562",
doi="",
url="http://dx.doi.org/"
}