@article{ref1,
title="Higher suicide death rate in rocky mountain States and a correlation to altitude",
journal="Wilderness and environmental medicine",
year="2010",
author="Cheng, David",
volume="21",
number="2",
pages="177-178",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1080-6032",
doi="10.1016/j.wem.2010.01.004",
url="http://dx.doi.org/10.1016/j.wem.2010.01.004"
}