@article{ref1,
title="Physiologic response to increased oxygen partial pressure. Ii. Respiratory studies",
journal="Aerospace medicine",
year="1964",
author="Robertson, W. G. and Hargreaves, J. J. and Herlocher, J. E. and Welch, B. E.",
volume="35",
number="",
pages="618-622",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}