@article{ref1,
title="Sunburn as a cause of temporary lowering of blackout threshold in flyers",
journal="Journal of aviation medicine",
year="1948",
author="Graybiel, A. and Patterson, J. L. Jr and Packard, J. M.",
volume="19",
number="4",
pages="270-275",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-991X",
doi="",
url="http://dx.doi.org/"
}