@article{ref1,
title="Hyperventilation, breath holding and alveolar oxygen tensions at the breaking point",
journal="Respiration physiology",
year="1973",
author="Hill, P. M.",
volume="19",
number="2",
pages="201-209",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5687",
doi="",
url="http://dx.doi.org/"
}