@article{ref1,
title="Introduction of the accident problem",
journal="Arizona medicine",
year="1969",
author="Melick, D. W.",
volume="26",
number="2",
pages="126-128",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-1556",
doi="",
url="http://dx.doi.org/"
}