@article{ref1,
title="Flying stress and urinary 17-hydroxycorticosteroid levels during twenty-hour missions",
journal="Aerospace medicine",
year="1960",
author="Marchbanks, V. H.",
volume="31",
number="",
pages="639-643",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}