@article{ref1,
title="Medical and physiologic notes on mountain climbing",
journal="Anesthesia and analgesia",
year="1964",
author="Mason, G. W.",
volume="43",
number="",
pages="125-132",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-2999",
doi="",
url="http://dx.doi.org/"
}