@article{ref1,
title="A technique for determing changes in force of cardiac contraction during acceleration",
journal="Aerospace medicine",
year="1959",
author="Leverett, S. D. and Clarke, N. P.",
volume="30",
number="",
pages="832-839",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}