@article{ref1,
title="Methodological problems in the design of motor vehicle accident research",
journal="American journal of public health",
year="1962",
author="Barmack, Joseph Ephraim",
volume="52",
number="",
pages="1866-1871",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}