@article{ref1,
title="Public health in relation to aviation",
journal="Public health",
year="1950",
author="KILPATRICK, J. M.",
volume="63",
number="8",
pages="151-153",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-3506",
doi="",
url="http://dx.doi.org/"
}