@article{ref1,
title="Ventilation and pulmonary gas exchange during headward (+Gz) gradient acceleration",
journal="Aerospace medicine",
year="1968",
author="Dowell, A. R. and Shropshire, S. and Mccally, M.",
volume="39",
number="9",
pages="926-934",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}