@article{ref1,
title="The measurement of orthostatic tolerance",
journal="Human factors",
year="1972",
author="Shvartz, E.",
volume="14",
number="4",
pages="357-362",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}