@article{ref1,
title="Hypoxia and carbon dioxide retention following breath-hold diving",
journal="Journal of applied physiology (APS DC)",
year="1967",
author="Paulev, P. E. and Naeraa, N.",
volume="22",
number="3",
pages="436-440",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-8987",
doi="",
url="http://dx.doi.org/"
}