@article{ref1,
title="Traffic enforcement and its relationship to accident prevention",
journal="Postgraduate medicine",
year="1957",
author="Martz, P. R.",
volume="21",
number="1",
pages="A-38; passim",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-5481",
doi="",
url="http://dx.doi.org/"
}