@article{ref1,
title="The relation of cardiovascular disease and disorder to aircraft accidents",
journal="Medical services journal, Canada",
year="1963",
author="Jackson, J. R.",
volume="19",
number="",
pages="869-880",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0368-9204",
doi="",
url="http://dx.doi.org/"
}