@article{ref1,
title="Tactical medics. Front-line medicine evolves as a specialty",
journal="JEMS: a journal of emergency medical services",
year="1999",
author="Smith, Brian D.",
volume="24",
number="5",
pages="50-64",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0197-2510",
doi="",
url="http://dx.doi.org/"
}