@article{ref1,
title="Accident Prevention - Introduction",
journal="Public health reports (1974)",
year="1949",
author="Armstrong, D. B.",
volume="64",
number="12",
pages="355-362",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0033-3549",
doi="",
url="http://dx.doi.org/"
}