@article{ref1,
title="Safety in Flight",
journal="New England journal of medicine",
year="1956",
author="No Author(s) Listed, ",
volume="255",
number="8",
pages="400-400",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}