@article{ref1,
title="Convulsive syncope induced by the Valsalva maneuver in subjects exhibiting low G tolerance",
journal="Aerospace medicine",
year="1962",
author="Duvoisin, R. C. and Kruse, F. and Saunders, D.",
volume="33",
number="",
pages="92-96",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}