@article{ref1,
title="Epidemiological aspects of airport medicine",
journal="Aerospace medicine",
year="1971",
author="Constantino, J. G.",
volume="42",
number="4",
pages="456-460",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}