@article{ref1,
title="Biological effects of simulated high altitude climate in pressurized commercial planes on passengers and flying personnel",
journal="Aerospace medicine",
year="1972",
author="Tromp, S. W.",
volume="43",
number="4",
pages="446-449",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}