@article{ref1,
title="Determination of gaseous tissue nitrogen",
journal="Aerospace medicine",
year="1960",
author="Marotta, S. F. and Robbins, E. F. and Marbarger, J. P.",
volume="31",
number="",
pages="654-658",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}