@article{ref1,
title="Influence of elevation of origin, rate of ascent and a physical conditioning program on symptoms of acute mountain sickness",
journal="Military medicine",
year="1967",
author="Hansen, John-Erik Stig and Harris, C. W. and Evans, W. O.",
volume="132",
number="8",
pages="585-592",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}