@article{ref1,
title="Dynamic characteristics of the human airway and the behavior of unstable breathing systems",
journal="Aerospace medicine",
year="1966",
author="Shephard, R. J.",
volume="37",
number="10",
pages="1014-1021",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}