@article{ref1,
title="Multiday exposure of men to high nitrogen pressure and increased airway resistance at natural expired oxygen tension: a 14-day continuous exposure to 5.2 per cent O 2 in N 2 at 4.0 atmospheres absolute pressure",
journal="Aerospace medicine",
year="1973",
author="Lambertsen, C. J. and Wright, W. B.",
volume="44",
number="7",
pages="826-827",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}